diff --git a/airbyte_cdk/sources/file_based/file_types/unstructured_parser.py b/airbyte_cdk/sources/file_based/file_types/unstructured_parser.py
index f55675e0a..a45d082af 100644
--- a/airbyte_cdk/sources/file_based/file_types/unstructured_parser.py
+++ b/airbyte_cdk/sources/file_based/file_types/unstructured_parser.py
@@ -6,19 +6,13 @@
 import traceback
 from datetime import datetime
 from io import BytesIO, IOBase
-from typing import Any, Dict, Iterable, List, Mapping, Optional, Tuple, Union
+from typing import IO, Any, Dict, Iterable, List, Mapping, Optional, Tuple, Union, cast
 
 import backoff
 import dpath
 import nltk
 import requests
-from unstructured.file_utils.filetype import (
-    EXT_TO_FILETYPE,
-    FILETYPE_TO_MIMETYPE,
-    STR_TO_FILETYPE,
-    FileType,
-    detect_filetype,
-)
+from unstructured.file_utils.filetype import FileType, detect_filetype
 
 from airbyte_cdk.models import FailureType
 from airbyte_cdk.sources.file_based.config.file_based_stream_config import FileBasedStreamConfig
@@ -85,14 +79,23 @@ def _import_unstructured() -> None:
     global unstructured_partition_docx
     global unstructured_partition_pptx
     from unstructured.partition.docx import partition_docx
-    from unstructured.partition.pdf import partition_pdf
     from unstructured.partition.pptx import partition_pptx
 
-    # separate global variables to properly propagate typing
-    unstructured_partition_pdf = partition_pdf
     unstructured_partition_docx = partition_docx
     unstructured_partition_pptx = partition_pptx
 
+    try:
+        from unstructured.partition.pdf import partition_pdf
+
+        unstructured_partition_pdf = partition_pdf
+    except (ImportError, ModuleNotFoundError):
+        # partition_pdf requires the heavy unstructured_inference package;
+        # PDF support is disabled when it is not installed.
+        logger = logging.getLogger(__name__)
+        logger.info(
+            "Could not import unstructured.partition.pdf (requires unstructured_inference). PDF parsing will be unavailable."
+        )
+
 
 def user_error(e: Exception) -> bool:
     """
@@ -207,13 +210,6 @@ def _read_file(
         logger: logging.Logger,
     ) -> str:
         _import_unstructured()
-        if (
-            (not unstructured_partition_pdf)
-            or (not unstructured_partition_docx)
-            or (not unstructured_partition_pptx)
-        ):
-            # check whether unstructured library is actually available for better error message and to ensure proper typing (can't be None after this point)
-            raise Exception("unstructured library is not available")
 
         filetype: FileType | None = self._get_filetype(file_handle, remote_file)
 
@@ -335,7 +331,7 @@ def _read_file_remotely(
 
         data = self._params_to_dict(format.parameters, strategy)
 
-        file_data = {"files": ("filename", file_handle, FILETYPE_TO_MIMETYPE[filetype])}
+        file_data = {"files": ("filename", file_handle, filetype.mime_type)}
 
         response = requests.post(
             f"{format.api_url}/general/v0/general", headers=headers, data=data, files=file_data
@@ -356,13 +352,6 @@ def _read_file_locally(
         self, file_handle: IOBase, filetype: FileType, strategy: str, remote_file: RemoteFile
     ) -> str:
         _import_unstructured()
-        if (
-            (not unstructured_partition_pdf)
-            or (not unstructured_partition_docx)
-            or (not unstructured_partition_pptx)
-        ):
-            # check whether unstructured library is actually available for better error message and to ensure proper typing (can't be None after this point)
-            raise Exception("unstructured library is not available")
 
         file: Any = file_handle
 
@@ -373,15 +362,29 @@ def _read_file_locally(
 
         try:
             if filetype == FileType.PDF:
-                # for PDF, read the file into a BytesIO object because some code paths in pdf parsing are doing an instance check on the file object and don't work with file-like objects
+                if not unstructured_partition_pdf:
+                    raise self._create_parse_error(
+                        remote_file,
+                        "PDF parsing requires the 'unstructured_inference' package. Install it with: pip install unstructured-inference",
+                    )
                 file_handle.seek(0)
                 with BytesIO(file_handle.read()) as file:
                     file_handle.seek(0)
                     elements = unstructured_partition_pdf(file=file, strategy=strategy)
             elif filetype == FileType.DOCX:
+                if not unstructured_partition_docx:
+                    raise self._create_parse_error(
+                        remote_file, "DOCX partition function is not available"
+                    )
                 elements = unstructured_partition_docx(file=file)
             elif filetype == FileType.PPTX:
+                if not unstructured_partition_pptx:
+                    raise self._create_parse_error(
+                        remote_file, "PPTX partition function is not available"
+                    )
                 elements = unstructured_partition_pptx(file=file)
+        except RecordParseError:
+            raise
         except Exception as e:
             raise self._create_parse_error(remote_file, str(e))
 
@@ -405,8 +408,11 @@ def _get_filetype(self, file: IOBase, remote_file: RemoteFile) -> Optional[FileT
         2. Use the file name if available
         3. Use the file content
         """
-        if remote_file.mime_type and remote_file.mime_type in STR_TO_FILETYPE:
-            return STR_TO_FILETYPE[remote_file.mime_type]
+        if remote_file.mime_type:
+            try:
+                return FileType.from_mime_type(remote_file.mime_type)
+            except ValueError:
+                pass
 
         # set name to none, otherwise unstructured will try to get the modified date from the local file system
         if hasattr(file, "name"):
@@ -418,7 +424,7 @@ def _get_filetype(self, file: IOBase, remote_file: RemoteFile) -> Optional[FileT
         file_type: FileType | None = None
         try:
             file_type = detect_filetype(
-                filename=remote_file.uri,
+                file_path=remote_file.uri,
             )
         except Exception:
             # Path doesn't exist locally. Try something else...
@@ -427,16 +433,17 @@ def _get_filetype(self, file: IOBase, remote_file: RemoteFile) -> Optional[FileT
         if file_type and file_type != FileType.UNK:
             return file_type
 
-        type_based_on_content = detect_filetype(file=file)
+        extension = "." + remote_file.uri.split(".")[-1].lower()
+        ext_type = FileType.from_extension(extension)
+        if ext_type is not None:
+            return ext_type
+
+        type_based_on_content = detect_filetype(file=cast(IO[bytes], file))
         file.seek(0)  # detect_filetype is reading to read the file content, so we need to reset
 
         if type_based_on_content and type_based_on_content != FileType.UNK:
             return type_based_on_content
 
-        extension = "." + remote_file.uri.split(".")[-1].lower()
-        if extension in EXT_TO_FILETYPE:
-            return EXT_TO_FILETYPE[extension]
-
         return None
 
     def _supported_file_types(self) -> List[Any]:
diff --git a/poetry.lock b/poetry.lock
index 55c2fa668..09325cbfd 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1,5 +1,18 @@
 # This file is automatically @generated by Poetry 2.0.1 and should not be changed by hand.
 
+[[package]]
+name = "aiofiles"
+version = "25.1.0"
+description = "File support for asyncio."
+optional = true
+python-versions = ">=3.9"
+groups = ["main"]
+markers = "(python_version <= \"3.11\" or python_version >= \"3.12.0\") and extra == \"file-based\""
+files = [
+    {file = "aiofiles-25.1.0-py3-none-any.whl", hash = "sha256:abe311e527c862958650f9438e859c1fa7568a141b22abcd015e120e86a85695"},
+    {file = "aiofiles-25.1.0.tar.gz", hash = "sha256:a8d728f0a29de45dc521f18f07297428d56992a742f0cd2701ba86e44d23d5b2"},
+]
+
 [[package]]
 name = "aiohappyeyeballs"
 version = "2.4.4"
@@ -501,19 +514,6 @@ files = [
 [package.dependencies]
 pycparser = "*"
 
-[[package]]
-name = "chardet"
-version = "5.2.0"
-description = "Universal encoding detector for Python 3"
-optional = true
-python-versions = ">=3.7"
-groups = ["main"]
-markers = "(python_version <= \"3.11\" or python_version >= \"3.12.0\") and extra == \"file-based\""
-files = [
-    {file = "chardet-5.2.0-py3-none-any.whl", hash = "sha256:e1cf59446890a00105fe7b7912492ea04b6e6f06d4b742b2c788469e34c82970"},
-    {file = "chardet-5.2.0.tar.gz", hash = "sha256:1b3b6ff479a8c414bc3fa2c0852995695c4a026dcd6d0633b2dd092ca39c1cf7"},
-]
-
 [[package]]
 name = "charset-normalizer"
 version = "3.4.1"
@@ -1283,6 +1283,22 @@ files = [
     {file = "et_xmlfile-2.0.0.tar.gz", hash = "sha256:dab3f4764309081ce75662649be815c4c9081e88f0837825f90fd28317d4da54"},
 ]
 
+[[package]]
+name = "eval-type-backport"
+version = "0.3.1"
+description = "Like `typing._eval_type`, but lets older Python versions use newer typing features."
+optional = true
+python-versions = ">=3.7"
+groups = ["main"]
+markers = "(python_version <= \"3.11\" or python_version >= \"3.12.0\") and extra == \"file-based\""
+files = [
+    {file = "eval_type_backport-0.3.1-py3-none-any.whl", hash = "sha256:279ab641905e9f11129f56a8a78f493518515b83402b860f6f06dd7c011fdfa8"},
+    {file = "eval_type_backport-0.3.1.tar.gz", hash = "sha256:57e993f7b5b69d271e37482e62f74e76a0276c82490cf8e4f0dffeb6b332d5ed"},
+]
+
+[package.extras]
+tests = ["pytest"]
+
 [[package]]
 name = "exceptiongroup"
 version = "1.3.0"
@@ -2052,6 +2068,29 @@ files = [
 [package.extras]
 tests = ["pytest"]
 
+[[package]]
+name = "html5lib"
+version = "1.1"
+description = "HTML parser based on the WHATWG HTML specification"
+optional = true
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
+groups = ["main"]
+markers = "(python_version <= \"3.11\" or python_version >= \"3.12.0\") and extra == \"file-based\""
+files = [
+    {file = "html5lib-1.1-py2.py3-none-any.whl", hash = "sha256:0d78f8fde1c230e99fe37986a60526d7049ed4bf8a9fadbad5f00e22e58e041d"},
+    {file = "html5lib-1.1.tar.gz", hash = "sha256:b2e5b40261e20f354d198eae92afc10d750afb487ed5e50f9c4eaf07c184146f"},
+]
+
+[package.dependencies]
+six = ">=1.9"
+webencodings = "*"
+
+[package.extras]
+all = ["chardet (>=2.2)", "genshi", "lxml"]
+chardet = ["chardet (>=2.2)"]
+genshi = ["genshi"]
+lxml = ["lxml"]
+
 [[package]]
 name = "httpcore"
 version = "1.0.9"
@@ -3262,6 +3301,19 @@ files = [
 ]
 markers = {main = "(extra == \"vector-db-based\" or extra == \"file-based\") and (python_version <= \"3.11\" or python_version >= \"3.12.0\")", dev = "python_version <= \"3.11\" or python_version >= \"3.12\""}
 
+[[package]]
+name = "nest-asyncio"
+version = "1.6.0"
+description = "Patch asyncio to allow nested event loops"
+optional = true
+python-versions = ">=3.5"
+groups = ["main"]
+markers = "(python_version <= \"3.11\" or python_version >= \"3.12.0\") and extra == \"file-based\""
+files = [
+    {file = "nest_asyncio-1.6.0-py3-none-any.whl", hash = "sha256:87af6efd6b5e897c81050477ef65c62e2b2f35d51703cae01aff2905b1852e1c"},
+    {file = "nest_asyncio-1.6.0.tar.gz", hash = "sha256:6f172d5449aca15afd6c646851f4e31e02c598d553a667e38cafa997cfec55fe"},
+]
+
 [[package]]
 name = "nltk"
 version = "3.9.1"
@@ -3421,6 +3473,22 @@ files = [
     {file = "numpy-2.3.4.tar.gz", hash = "sha256:a7d018bfedb375a8d979ac758b120ba846a7fe764911a64465fd87b8729f4a6a"},
 ]
 
+[[package]]
+name = "olefile"
+version = "0.47"
+description = "Python package to parse, read and write Microsoft OLE2 files (Structured Storage or Compound Document, Microsoft Office)"
+optional = true
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
+groups = ["main"]
+markers = "(python_version <= \"3.11\" or python_version >= \"3.12.0\") and extra == \"file-based\""
+files = [
+    {file = "olefile-0.47-py2.py3-none-any.whl", hash = "sha256:543c7da2a7adadf21214938bb79c83ea12b473a4b6ee4ad4bf854e7715e13d1f"},
+    {file = "olefile-0.47.zip", hash = "sha256:599383381a0bf3dfbd932ca0ca6515acd174ed48870cbf7fee123d698c192c1c"},
+]
+
+[package.extras]
+tests = ["pytest", "pytest-cov"]
+
 [[package]]
 name = "openai"
 version = "0.27.9"
@@ -3889,6 +3957,65 @@ Jinja2 = ">=2.11.0"
 MarkupSafe = ">=1.1.1"
 pygments = ">=2.12.0"
 
+[[package]]
+name = "pi-heif"
+version = "1.2.0"
+description = "Python interface for libheif library"
+optional = true
+python-versions = ">=3.9"
+groups = ["main"]
+markers = "(python_version <= \"3.11\" or python_version >= \"3.12.0\") and extra == \"file-based\""
+files = [
+    {file = "pi_heif-1.2.0-cp310-cp310-macosx_10_15_x86_64.whl", hash = "sha256:ff8f0e5493f97973b5fef8da892f20a410527ed7a1820de4ff3ba2a0a640d458"},
+    {file = "pi_heif-1.2.0-cp310-cp310-macosx_11_0_arm64.whl", hash = "sha256:b40a717ed9635186236496c1e27dde60fcec9853786889af0029bafb13626dbf"},
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+    {file = "pi_heif-1.2.0-pp311-pypy311_pp73-manylinux_2_27_x86_64.manylinux_2_28_x86_64.whl", hash = "sha256:c698bf9bf4e39be88e91f1c12de603fbf321034ba5aee9280b789dae13532a71"},
+    {file = "pi_heif-1.2.0-pp311-pypy311_pp73-win_amd64.whl", hash = "sha256:1430a0959d3899eb1aa1919519bb412810a18e457cf24ea8aa2b035a91782654"},
+    {file = "pi_heif-1.2.0.tar.gz", hash = "sha256:52bbbc8c30b803288a9f1bb02e4575797940fdc1f5091fce743c699e812418cc"},
+]
+
+[package.dependencies]
+pillow = ">=11.1.0"
+
+[package.extras]
+tests = ["defusedxml", "numpy", "packaging", "pympler", "pytest"]
+tests-min = ["defusedxml", "packaging", "pytest"]
+
 [[package]]
 name = "pillow"
 version = "11.1.0"
@@ -4185,6 +4312,42 @@ files = [
     {file = "protobuf-5.29.4.tar.gz", hash = "sha256:4f1dfcd7997b31ef8f53ec82781ff434a28bf71d9102ddde14d076adcfc78c99"},
 ]
 
+[[package]]
+name = "psutil"
+version = "7.2.2"
+description = "Cross-platform lib for process and system monitoring."
+optional = true
+python-versions = ">=3.6"
+groups = ["main"]
+markers = "(python_version <= \"3.11\" or python_version >= \"3.12.0\") and extra == \"file-based\""
+files = [
+    {file = "psutil-7.2.2-cp313-cp313t-macosx_10_13_x86_64.whl", hash = "sha256:2edccc433cbfa046b980b0df0171cd25bcaeb3a68fe9022db0979e7aa74a826b"},
+    {file = "psutil-7.2.2-cp313-cp313t-macosx_11_0_arm64.whl", hash = "sha256:e78c8603dcd9a04c7364f1a3e670cea95d51ee865e4efb3556a3a63adef958ea"},
+    {file = "psutil-7.2.2-cp313-cp313t-manylinux2010_x86_64.manylinux_2_12_x86_64.manylinux_2_28_x86_64.whl", hash = "sha256:1a571f2330c966c62aeda00dd24620425d4b0cc86881c89861fbc04549e5dc63"},
+    {file = "psutil-7.2.2-cp313-cp313t-manylinux2014_aarch64.manylinux_2_17_aarch64.manylinux_2_28_aarch64.whl", hash = "sha256:917e891983ca3c1887b4ef36447b1e0873e70c933afc831c6b6da078ba474312"},
+    {file = "psutil-7.2.2-cp313-cp313t-win_amd64.whl", hash = "sha256:ab486563df44c17f5173621c7b198955bd6b613fb87c71c161f827d3fb149a9b"},
+    {file = "psutil-7.2.2-cp313-cp313t-win_arm64.whl", hash = "sha256:ae0aefdd8796a7737eccea863f80f81e468a1e4cf14d926bd9b6f5f2d5f90ca9"},
+    {file = "psutil-7.2.2-cp314-cp314t-macosx_10_15_x86_64.whl", hash = "sha256:eed63d3b4d62449571547b60578c5b2c4bcccc5387148db46e0c2313dad0ee00"},
+    {file = "psutil-7.2.2-cp314-cp314t-macosx_11_0_arm64.whl", hash = "sha256:7b6d09433a10592ce39b13d7be5a54fbac1d1228ed29abc880fb23df7cb694c9"},
+    {file = "psutil-7.2.2-cp314-cp314t-manylinux2010_x86_64.manylinux_2_12_x86_64.manylinux_2_28_x86_64.whl", hash = "sha256:1fa4ecf83bcdf6e6c8f4449aff98eefb5d0604bf88cb883d7da3d8d2d909546a"},
+    {file = "psutil-7.2.2-cp314-cp314t-manylinux2014_aarch64.manylinux_2_17_aarch64.manylinux_2_28_aarch64.whl", hash = "sha256:e452c464a02e7dc7822a05d25db4cde564444a67e58539a00f929c51eddda0cf"},
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+    {file = "psutil-7.2.2-cp314-cp314t-win_arm64.whl", hash = "sha256:11fe5a4f613759764e79c65cf11ebdf26e33d6dd34336f8a337aa2996d71c841"},
+    {file = "psutil-7.2.2-cp36-abi3-macosx_10_9_x86_64.whl", hash = "sha256:ed0cace939114f62738d808fdcecd4c869222507e266e574799e9c0faa17d486"},
+    {file = "psutil-7.2.2-cp36-abi3-macosx_11_0_arm64.whl", hash = "sha256:1a7b04c10f32cc88ab39cbf606e117fd74721c831c98a27dc04578deb0c16979"},
+    {file = "psutil-7.2.2-cp36-abi3-manylinux2010_x86_64.manylinux_2_12_x86_64.manylinux_2_28_x86_64.whl", hash = "sha256:076a2d2f923fd4821644f5ba89f059523da90dc9014e85f8e45a5774ca5bc6f9"},
+    {file = "psutil-7.2.2-cp36-abi3-manylinux2014_aarch64.manylinux_2_17_aarch64.manylinux_2_28_aarch64.whl", hash = "sha256:b0726cecd84f9474419d67252add4ac0cd9811b04d61123054b9fb6f57df6e9e"},
+    {file = "psutil-7.2.2-cp36-abi3-musllinux_1_2_aarch64.whl", hash = "sha256:fd04ef36b4a6d599bbdb225dd1d3f51e00105f6d48a28f006da7f9822f2606d8"},
+    {file = "psutil-7.2.2-cp36-abi3-musllinux_1_2_x86_64.whl", hash = "sha256:b58fabe35e80b264a4e3bb23e6b96f9e45a3df7fb7eed419ac0e5947c61e47cc"},
+    {file = "psutil-7.2.2-cp37-abi3-win_amd64.whl", hash = "sha256:eb7e81434c8d223ec4a219b5fc1c47d0417b12be7ea866e24fb5ad6e84b3d988"},
+    {file = "psutil-7.2.2-cp37-abi3-win_arm64.whl", hash = "sha256:8c233660f575a5a89e6d4cb65d9f938126312bca76d8fe087b947b3a1aaac9ee"},
+    {file = "psutil-7.2.2.tar.gz", hash = "sha256:0746f5f8d406af344fd547f1c8daa5f5c33dbc293bb8d6a16d80b4bb88f59372"},
+]
+
+[package.extras]
+dev = ["abi3audit", "black", "check-manifest", "colorama", "coverage", "packaging", "psleak", "pylint", "pyperf", "pypinfo", "pyreadline3", "pytest", "pytest-cov", "pytest-instafail", "pytest-xdist", "pywin32", "requests", "rstcheck", "ruff", "setuptools", "sphinx", "sphinx_rtd_theme", "toml-sort", "twine", "validate-pyproject[all]", "virtualenv", "vulture", "wheel", "wheel", "wmi"]
+test = ["psleak", "pytest", "pytest-instafail", "pytest-xdist", "pywin32", "setuptools", "wheel", "wmi"]
+
 [[package]]
 name = "pyarrow"
 version = "19.0.1"
@@ -4537,6 +4700,30 @@ files = [
 [package.extras]
 diagrams = ["jinja2", "railroad-diagrams"]
 
+[[package]]
+name = "pypdf"
+version = "6.7.0"
+description = "A pure-python PDF library capable of splitting, merging, cropping, and transforming PDF files"
+optional = true
+python-versions = ">=3.9"
+groups = ["main"]
+markers = "(python_version <= \"3.11\" or python_version >= \"3.12.0\") and extra == \"file-based\""
+files = [
+    {file = "pypdf-6.7.0-py3-none-any.whl", hash = "sha256:62e85036d50839cbdf45b8067c2c1a1b925517514d7cba4cbe8755a6c2829bc9"},
+    {file = "pypdf-6.7.0.tar.gz", hash = "sha256:eb95e244d9f434e6cfd157272283339ef586e593be64ee699c620f756d5c3f7e"},
+]
+
+[package.dependencies]
+typing_extensions = {version = ">=4.0", markers = "python_version < \"3.11\""}
+
+[package.extras]
+crypto = ["cryptography"]
+cryptodome = ["PyCryptodome"]
+dev = ["flit", "pip-tools", "pre-commit", "pytest-cov", "pytest-socket", "pytest-timeout", "pytest-xdist", "wheel"]
+docs = ["myst_parser", "sphinx", "sphinx_rtd_theme"]
+full = ["Pillow (>=8.0.0)", "cryptography"]
+image = ["Pillow (>=8.0.0)"]
+
 [[package]]
 name = "pyproject-flake8"
 version = "6.1.0"
@@ -4878,21 +5065,41 @@ files = [
     {file = "python_magic-0.4.27-py2.py3-none-any.whl", hash = "sha256:c212960ad306f700aa0d01e5d7a325d20548ff97eb9920dcd29513174f0294d3"},
 ]
 
+[[package]]
+name = "python-oxmsg"
+version = "0.0.2"
+description = "Extract attachments from Outlook .msg files."
+optional = true
+python-versions = ">=3.9"
+groups = ["main"]
+markers = "(python_version <= \"3.11\" or python_version >= \"3.12.0\") and extra == \"file-based\""
+files = [
+    {file = "python_oxmsg-0.0.2-py3-none-any.whl", hash = "sha256:22be29b14c46016bcd05e34abddfd8e05ee82082f53b82753d115da3fc7d0355"},
+    {file = "python_oxmsg-0.0.2.tar.gz", hash = "sha256:a6aff4deb1b5975d44d49dab1d9384089ffeec819e19c6940bc7ffbc84775fad"},
+]
+
+[package.dependencies]
+click = "*"
+olefile = "*"
+typing_extensions = ">=4.9.0"
+
 [[package]]
 name = "python-pptx"
-version = "0.6.21"
-description = "Generate and manipulate Open XML PowerPoint (.pptx) files"
+version = "1.0.2"
+description = "Create, read, and update PowerPoint 2007+ (.pptx) files."
 optional = true
-python-versions = "*"
+python-versions = ">=3.8"
 groups = ["main"]
 markers = "(python_version <= \"3.11\" or python_version >= \"3.12.0\") and extra == \"file-based\""
 files = [
-    {file = "python-pptx-0.6.21.tar.gz", hash = "sha256:7798a2aaf89563565b3c7120c0acfe9aff775db0db3580544e3bf4840c2e378f"},
+    {file = "python_pptx-1.0.2-py3-none-any.whl", hash = "sha256:160838e0b8565a8b1f67947675886e9fea18aa5e795db7ae531606d68e785cba"},
+    {file = "python_pptx-1.0.2.tar.gz", hash = "sha256:479a8af0eaf0f0d76b6f00b0887732874ad2e3188230315290cd1f9dd9cc7095"},
 ]
 
 [package.dependencies]
 lxml = ">=3.1.0"
 Pillow = ">=3.3.2"
+typing-extensions = ">=4.9.0"
 XlsxWriter = ">=0.5.7"
 
 [[package]]
@@ -5339,7 +5546,7 @@ description = "A utility belt for advanced users of python-requests"
 optional = true
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
 groups = ["main"]
-markers = "(python_version <= \"3.11\" or python_version >= \"3.12.0\") and extra == \"vector-db-based\""
+markers = "(extra == \"vector-db-based\" or extra == \"file-based\") and (python_version <= \"3.11\" or python_version >= \"3.12.0\")"
 files = [
     {file = "requests-toolbelt-1.0.0.tar.gz", hash = "sha256:7681a0a3d047012b5bdc0ee37d7f8f07ebe76ab08caeccfc3921ce23c88d5bc6"},
     {file = "requests_toolbelt-1.0.0-py2.py3-none-any.whl", hash = "sha256:cccfdd665f0a24fcf4726e690f65639d272bb0637b9b92dfd91a5568ccf6bd06"},
@@ -5968,22 +6175,6 @@ typing-extensions = {version = ">=4.10.0", markers = "python_version < \"3.13\""
 [package.extras]
 full = ["httpx (>=0.27.0,<0.29.0)", "itsdangerous", "jinja2", "python-multipart (>=0.0.18)", "pyyaml"]
 
-[[package]]
-name = "tabulate"
-version = "0.9.0"
-description = "Pretty-print tabular data"
-optional = true
-python-versions = ">=3.7"
-groups = ["main"]
-markers = "(python_version <= \"3.11\" or python_version >= \"3.12.0\") and extra == \"file-based\""
-files = [
-    {file = "tabulate-0.9.0-py3-none-any.whl", hash = "sha256:024ca478df22e9340661486f85298cff5f6dcdba14f3813e8830015b9ed1948f"},
-    {file = "tabulate-0.9.0.tar.gz", hash = "sha256:0095b12bf5966de529c0feb1fa08671671b3368eec77d7ef7ab114be2c068b3c"},
-]
-
-[package.extras]
-widechars = ["wcwidth"]
-
 [[package]]
 name = "tenacity"
 version = "8.5.0"
@@ -6306,7 +6497,7 @@ description = "Runtime typing introspection tools"
 optional = true
 python-versions = ">=3.9"
 groups = ["main"]
-markers = "(python_version <= \"3.11\" or python_version >= \"3.12.0\") and extra == \"vector-db-based\""
+markers = "(extra == \"vector-db-based\" or extra == \"file-based\") and (python_version <= \"3.11\" or python_version >= \"3.12.0\")"
 files = [
     {file = "typing_inspection-0.4.2-py3-none-any.whl", hash = "sha256:4ed1cacbdc298c220f1bd249ed5287caa16f34d44ef4e9c3d0cbad5b521545e7"},
     {file = "typing_inspection-0.4.2.tar.gz", hash = "sha256:ba561c48a67c5958007083d386c3295464928b01faa735ab8547c5692e87f464"},
@@ -6378,85 +6569,87 @@ files = [
 
 [[package]]
 name = "unstructured"
-version = "0.10.27"
+version = "0.18.18"
 description = "A library that prepares raw documents for downstream ML tasks."
 optional = true
-python-versions = ">=3.7.0"
+python-versions = ">=3.10.0"
 groups = ["main"]
 markers = "(python_version <= \"3.11\" or python_version >= \"3.12.0\") and extra == \"file-based\""
 files = [
-    {file = "unstructured-0.10.27-py3-none-any.whl", hash = "sha256:3a8a8e44302388ddc39c184059e8b4458f1cdc58032540b9af7d85f6c3eca3be"},
-    {file = "unstructured-0.10.27.tar.gz", hash = "sha256:f567b5c4385993a9ab48db5563dd7b413aac4f2002bb22e6250496ea8f440f5e"},
+    {file = "unstructured-0.18.18-py3-none-any.whl", hash = "sha256:d5189bdd5e2a1c5ed3cc289cfb4fb483c6f2dd544b42744bdc5b81d3388ea527"},
+    {file = "unstructured-0.18.18.tar.gz", hash = "sha256:cfe6c84a36d374e5767930e13cfc10622357b3b68a5b7c735fdb1eeca08c6b57"},
 ]
 
 [package.dependencies]
 backoff = "*"
 beautifulsoup4 = "*"
-chardet = "*"
+charset-normalizer = "*"
 dataclasses-json = "*"
 emoji = "*"
 filetype = "*"
+html5lib = "*"
 langdetect = "*"
 lxml = "*"
 nltk = "*"
 numpy = "*"
-python-docx = {version = ">=1.0.1", optional = true, markers = "extra == \"docx\""}
+psutil = "*"
+python-docx = {version = ">=1.1.2", optional = true, markers = "extra == \"docx\""}
 python-iso639 = "*"
 python-magic = "*"
-python-pptx = {version = "<=0.6.21", optional = true, markers = "extra == \"pptx\""}
+python-oxmsg = "*"
+python-pptx = {version = ">=1.0.1", optional = true, markers = "extra == \"pptx\""}
 rapidfuzz = "*"
 requests = "*"
-tabulate = "*"
+tqdm = "*"
 typing-extensions = "*"
+unstructured-client = "*"
+wrapt = "*"
 
 [package.extras]
-airtable = ["pyairtable"]
-all-docs = ["markdown", "msg-parser", "networkx", "onnx", "openpyxl", "pandas", "pdf2image", "pdfminer.six", "pypandoc", "python-docx (>=1.0.1)", "python-pptx (<=0.6.21)", "unstructured-inference (==0.7.10)", "unstructured.pytesseract (>=0.3.12)", "xlrd"]
-azure = ["adlfs", "fsspec (==2023.9.1)"]
-azure-cognitive-search = ["azure-search-documents"]
-bedrock = ["boto3", "langchain"]
-biomed = ["bs4"]
-box = ["boxfs", "fsspec (==2023.9.1)"]
-confluence = ["atlassian-python-api"]
+all-docs = ["effdet", "google-cloud-vision", "markdown", "msoffcrypto-tool", "networkx", "onnx (>=1.17.0)", "onnxruntime (>=1.19.0)", "openpyxl", "pandas", "pdf2image", "pdfminer.six", "pi_heif", "pikepdf", "pypandoc", "pypdf", "python-docx (>=1.1.2)", "python-pptx (>=1.0.1)", "unstructured-inference (>=1.0.5)", "unstructured.pytesseract (>=0.3.12)", "xlrd"]
 csv = ["pandas"]
-delta-table = ["deltalake", "fsspec (==2023.9.1)"]
-discord = ["discord-py"]
-doc = ["python-docx (>=1.0.1)"]
-docx = ["python-docx (>=1.0.1)"]
-dropbox = ["dropboxdrivefs", "fsspec (==2023.9.1)"]
-elasticsearch = ["elasticsearch", "jq"]
-embed-huggingface = ["huggingface", "langchain", "sentence-transformers"]
+doc = ["python-docx (>=1.1.2)"]
+docx = ["python-docx (>=1.1.2)"]
 epub = ["pypandoc"]
-gcs = ["bs4", "fsspec (==2023.9.1)", "gcsfs"]
-github = ["pygithub (>1.58.0)"]
-gitlab = ["python-gitlab"]
-google-drive = ["google-api-python-client"]
 huggingface = ["langdetect", "sacremoses", "sentencepiece", "torch", "transformers"]
-image = ["onnx", "pdf2image", "pdfminer.six", "unstructured-inference (==0.7.10)", "unstructured.pytesseract (>=0.3.12)"]
-jira = ["atlassian-python-api"]
-local-inference = ["markdown", "msg-parser", "networkx", "onnx", "openpyxl", "pandas", "pdf2image", "pdfminer.six", "pypandoc", "python-docx (>=1.0.1)", "python-pptx (<=0.6.21)", "unstructured-inference (==0.7.10)", "unstructured.pytesseract (>=0.3.12)", "xlrd"]
+image = ["effdet", "google-cloud-vision", "onnx (>=1.17.0)", "onnxruntime (>=1.19.0)", "pdf2image", "pdfminer.six", "pi_heif", "pikepdf", "pypdf", "unstructured-inference (>=1.0.5)", "unstructured.pytesseract (>=0.3.12)"]
+local-inference = ["effdet", "google-cloud-vision", "markdown", "msoffcrypto-tool", "networkx", "onnx (>=1.17.0)", "onnxruntime (>=1.19.0)", "openpyxl", "pandas", "pdf2image", "pdfminer.six", "pi_heif", "pikepdf", "pypandoc", "pypdf", "python-docx (>=1.1.2)", "python-pptx (>=1.0.1)", "unstructured-inference (>=1.0.5)", "unstructured.pytesseract (>=0.3.12)", "xlrd"]
 md = ["markdown"]
-msg = ["msg-parser"]
-notion = ["htmlBuilder", "notion-client"]
-odt = ["pypandoc", "python-docx (>=1.0.1)"]
-onedrive = ["Office365-REST-Python-Client (<2.4.3)", "bs4", "msal"]
-openai = ["langchain", "openai", "tiktoken"]
+odt = ["pypandoc", "python-docx (>=1.1.2)"]
 org = ["pypandoc"]
-outlook = ["Office365-REST-Python-Client (<2.4.3)", "msal"]
-paddleocr = ["unstructured.paddleocr (==2.6.1.3)"]
-pdf = ["onnx", "pdf2image", "pdfminer.six", "unstructured-inference (==0.7.10)", "unstructured.pytesseract (>=0.3.12)"]
-ppt = ["python-pptx (<=0.6.21)"]
-pptx = ["python-pptx (<=0.6.21)"]
-reddit = ["praw"]
+paddleocr = ["paddlepaddle (>=3.0.0b1)", "unstructured.paddleocr (==2.10.0)"]
+pdf = ["effdet", "google-cloud-vision", "onnx (>=1.17.0)", "onnxruntime (>=1.19.0)", "pdf2image", "pdfminer.six", "pi_heif", "pikepdf", "pypdf", "unstructured-inference (>=1.0.5)", "unstructured.pytesseract (>=0.3.12)"]
+ppt = ["python-pptx (>=1.0.1)"]
+pptx = ["python-pptx (>=1.0.1)"]
 rst = ["pypandoc"]
 rtf = ["pypandoc"]
-s3 = ["fsspec (==2023.9.1)", "s3fs"]
-salesforce = ["simple-salesforce"]
-sharepoint = ["Office365-REST-Python-Client (<2.4.3)", "msal"]
-slack = ["slack-sdk"]
 tsv = ["pandas"]
-wikipedia = ["wikipedia"]
-xlsx = ["networkx", "openpyxl", "pandas", "xlrd"]
+xlsx = ["msoffcrypto-tool", "networkx", "openpyxl", "pandas", "xlrd"]
+
+[[package]]
+name = "unstructured-client"
+version = "0.32.3"
+description = "Python Client SDK for Unstructured API"
+optional = true
+python-versions = ">=3.9"
+groups = ["main"]
+markers = "(python_version <= \"3.11\" or python_version >= \"3.12.0\") and extra == \"file-based\""
+files = [
+    {file = "unstructured_client-0.32.3-py3-none-any.whl", hash = "sha256:50b8198a3c3f984bdb53d848be7665d352093a99841858976f596cc2105903ec"},
+    {file = "unstructured_client-0.32.3.tar.gz", hash = "sha256:1426d03325f7b93daad524ad2b954f1e7cceb0c15e67a4f4e88b49220dd2472c"},
+]
+
+[package.dependencies]
+aiofiles = ">=24.1.0"
+cryptography = ">=3.1"
+eval-type-backport = ">=0.2.0"
+httpx = ">=0.27.0"
+nest-asyncio = ">=1.6.0"
+pydantic = ">=2.10.3"
+pypdf = ">=4.0"
+python-dateutil = ">=2.8.2"
+requests-toolbelt = ">=1.0.0"
+typing-inspection = ">=0.4.0"
 
 [[package]]
 name = "unstructured-pytesseract"
@@ -6580,6 +6773,19 @@ files = [
 [package.dependencies]
 bracex = ">=2.1.1"
 
+[[package]]
+name = "webencodings"
+version = "0.5.1"
+description = "Character encoding aliases for legacy web content"
+optional = true
+python-versions = "*"
+groups = ["main"]
+markers = "(python_version <= \"3.11\" or python_version >= \"3.12.0\") and extra == \"file-based\""
+files = [
+    {file = "webencodings-0.5.1-py2.py3-none-any.whl", hash = "sha256:a0af1213f3c2226497a97e2b3aa01a7e4bee4f403f95be16fc9acd2947514a78"},
+    {file = "webencodings-0.5.1.tar.gz", hash = "sha256:b36a1c245f2d304965eb4e0a82848379241dc04b865afcc4aab16748587e1923"},
+]
+
 [[package]]
 name = "werkzeug"
 version = "3.1.3"
@@ -6775,7 +6981,7 @@ files = [
     {file = "wrapt-1.17.3-py3-none-any.whl", hash = "sha256:7171ae35d2c33d326ac19dd8facb1e82e5fd04ef8c6c0e394d7af55a55051c22"},
     {file = "wrapt-1.17.3.tar.gz", hash = "sha256:f66eb08feaa410fe4eebd17f2a2c8e2e46d3476e9f8c783daa8e09e0faa666d0"},
 ]
-markers = {main = "(python_version <= \"3.11\" or python_version >= \"3.12.0\") and extra == \"manifest-server\"", dev = "python_version <= \"3.11\" or python_version >= \"3.12\""}
+markers = {main = "(extra == \"file-based\" or extra == \"manifest-server\") and (python_version <= \"3.11\" or python_version >= \"3.12.0\")", dev = "python_version <= \"3.11\" or python_version >= \"3.12\""}
 
 [[package]]
 name = "xlsxwriter"
@@ -7037,7 +7243,7 @@ cffi = ["cffi (>=1.17,<2.0)", "cffi (>=2.0.0b)"]
 
 [extras]
 dev = ["pytest"]
-file-based = ["avro", "fastavro", "markdown", "openpyxl", "pdf2image", "pdfminer.six", "pyarrow", "pytesseract", "python-calamine", "python-snappy", "unstructured", "unstructured.pytesseract"]
+file-based = ["avro", "fastavro", "markdown", "openpyxl", "pdf2image", "pdfminer.six", "pi-heif", "pyarrow", "pytesseract", "python-calamine", "python-snappy", "unstructured", "unstructured.pytesseract"]
 manifest-server = ["ddtrace", "fastapi", "uvicorn"]
 sql = ["sqlalchemy"]
 vector-db-based = ["cohere", "langchain_community", "langchain_core", "langchain_text_splitters", "openai", "tiktoken"]
@@ -7045,4 +7251,4 @@ vector-db-based = ["cohere", "langchain_community", "langchain_core", "langchain
 [metadata]
 lock-version = "2.1"
 python-versions = ">=3.10,<3.14"
-content-hash = "b785d39f246498c8facd7854999dbdbfb78808489a09922dd3a1551be331ea7d"
+content-hash = "59c1452c4b6873805b4f8c5c1bcbc6f5aeca3c880df8cdbe1898023f503e2efa"
diff --git a/pyproject.toml b/pyproject.toml
index bcdab217b..acf8f5792 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -77,7 +77,8 @@ openpyxl = { version = "^3.1.0", optional = true }
 python-snappy = { version = "0.7.3", optional = true }  # TODO: remove if unused
 tiktoken = { version = "0.8.0", optional = true }
 nltk = { version = "3.9.1", optional = true }
-unstructured = { version = "0.10.27", extras = ["docx", "pptx"], optional = true }
+unstructured = { version = "0.18.18", extras = ["docx", "pptx"], optional = true }
+pi-heif = { version = ">=0.16.0", optional = true }
 "unstructured.pytesseract" = { version = ">=0.3.12", optional = true }
 pyjwt = "^2.8.0"
 cryptography = ">=44.0.0,<45.0.0"  # Constrained as transitive dependency due to a bug in newer versions
@@ -121,7 +122,7 @@ deptry = "^0.23.0"
 dagger-io = "0.19.0"
 
 [tool.poetry.extras]
-file-based = ["avro", "fastavro", "pyarrow", "unstructured", "pdf2image", "pdfminer.six", "unstructured.pytesseract", "pytesseract", "markdown", "python-calamine", "openpyxl", "python-snappy"]
+file-based = ["avro", "fastavro", "pyarrow", "unstructured", "pi-heif", "pdf2image", "pdfminer.six", "unstructured.pytesseract", "pytesseract", "markdown", "python-calamine", "openpyxl", "python-snappy"]
 vector-db-based = ["langchain_community", "langchain_core", "langchain_text_splitters", "openai", "cohere", "tiktoken"]
 sql = ["sqlalchemy"]
 dev = ["pytest"]
@@ -261,6 +262,7 @@ DEP002 = [
   "python-snappy",
   "tiktoken",
   "unstructured.pytesseract",
+  "pi-heif",
 ]
 
 # DEP003: Project should not use transitive dependencies.
diff --git a/unit_tests/sources/file_based/file_types/test_unstructured_parser.py b/unit_tests/sources/file_based/file_types/test_unstructured_parser.py
index 374a02eed..c5dd334dc 100644
--- a/unit_tests/sources/file_based/file_types/test_unstructured_parser.py
+++ b/unit_tests/sources/file_based/file_types/test_unstructured_parser.py
@@ -89,8 +89,9 @@ def test_infer_schema(mock_detect_filetype, filetype, format_config, raises):
                 UnstructuredParser().infer_schema(config, fake_file, stream_reader, logger)
             )
     else:
+        fake_file.mime_type = None
         schema = loop.run_until_complete(
-            UnstructuredParser().infer_schema(config, MagicMock(), MagicMock(), MagicMock())
+            UnstructuredParser().infer_schema(config, fake_file, stream_reader, logger)
         )
         assert schema == {
             "content": {
@@ -227,15 +228,26 @@ def test_infer_schema(mock_detect_filetype, filetype, format_config, raises):
         ),
     ],
 )
-@patch("unstructured.partition.pdf.partition_pdf")
-@patch("unstructured.partition.pptx.partition_pptx")
-@patch("unstructured.partition.docx.partition_docx")
+@patch("airbyte_cdk.sources.file_based.file_types.unstructured_parser._import_unstructured")
+@patch(
+    "airbyte_cdk.sources.file_based.file_types.unstructured_parser.unstructured_partition_pdf",
+    new_callable=MagicMock,
+)
+@patch(
+    "airbyte_cdk.sources.file_based.file_types.unstructured_parser.unstructured_partition_pptx",
+    new_callable=MagicMock,
+)
+@patch(
+    "airbyte_cdk.sources.file_based.file_types.unstructured_parser.unstructured_partition_docx",
+    new_callable=MagicMock,
+)
 @patch("airbyte_cdk.sources.file_based.file_types.unstructured_parser.detect_filetype")
 def test_parse_records(
     mock_detect_filetype,
     mock_partition_docx,
     mock_partition_pptx,
     mock_partition_pdf,
+    mock_import_unstructured,
     filetype,
     format_config,
     parse_result,
@@ -618,6 +630,19 @@ def test_check_config(
         ),
     ],
 )
+@patch("airbyte_cdk.sources.file_based.file_types.unstructured_parser._import_unstructured")
+@patch(
+    "airbyte_cdk.sources.file_based.file_types.unstructured_parser.unstructured_partition_pdf",
+    new_callable=MagicMock,
+)
+@patch(
+    "airbyte_cdk.sources.file_based.file_types.unstructured_parser.unstructured_partition_pptx",
+    new_callable=MagicMock,
+)
+@patch(
+    "airbyte_cdk.sources.file_based.file_types.unstructured_parser.unstructured_partition_docx",
+    new_callable=MagicMock,
+)
 @patch("airbyte_cdk.sources.file_based.file_types.unstructured_parser.requests")
 @patch("airbyte_cdk.sources.file_based.file_types.unstructured_parser.detect_filetype")
 @patch("time.sleep", side_effect=lambda _: None)
@@ -625,6 +650,10 @@ def test_parse_records_remotely(
     time_mock,
     mock_detect_filetype,
     requests_mock,
+    mock_partition_docx,
+    mock_partition_pptx,
+    mock_partition_pdf,
+    mock_import_unstructured,
     filetype,
     format_config,
     raises_for_status,
diff --git a/unit_tests/sources/file_based/scenarios/unstructured_scenarios.py b/unit_tests/sources/file_based/scenarios/unstructured_scenarios.py
index c0db46e7a..84ec258d8 100644
--- a/unit_tests/sources/file_based/scenarios/unstructured_scenarios.py
+++ b/unit_tests/sources/file_based/scenarios/unstructured_scenarios.py
@@ -434,7 +434,7 @@
             {
                 "data": {
                     "document_key": "sample.pdf",
-                    "content": "# Hello World",
+                    "_ab_source_file_parse_error": "Error parsing record. This could be due to a mismatch between the config's file type and the actual file type, or because the file or record is not parseable. Contact Support if you need assistance.\nfilename=sample.pdf message=PDF parsing requires the 'unstructured_inference' package. Install it with: pip install unstructured-inference",
                     "_ab_source_file_last_modified": "2023-06-05T03:54:07.000000Z",
                     "_ab_source_file_url": "sample.pdf",
                 },
@@ -443,7 +443,7 @@
             {
                 "data": {
                     "document_key": "sample.docx",
-                    "content": "# Content",
+                    "content": "Content",
                     "_ab_source_file_last_modified": "2023-06-06T03:54:07.000000Z",
                     "_ab_source_file_url": "sample.docx",
                 },
@@ -510,7 +510,7 @@
             {
                 "data": {
                     "document_key": "sample.pdf",
-                    "_ab_source_file_parse_error": "Error parsing record. This could be due to a mismatch between the config's file type and the actual file type, or because the file or record is not parseable. Contact Support if you need assistance.\nfilename=sample.pdf message=No /Root object! - Is this really a PDF?",
+                    "_ab_source_file_parse_error": "Error parsing record. This could be due to a mismatch between the config's file type and the actual file type, or because the file or record is not parseable. Contact Support if you need assistance.\nfilename=sample.pdf message=PDF parsing requires the 'unstructured_inference' package. Install it with: pip install unstructured-inference",
                     "_ab_source_file_last_modified": "2023-06-05T03:54:07.000000Z",
                     "_ab_source_file_url": "sample.pdf",
                 },
@@ -578,7 +578,7 @@
             {
                 "data": {
                     "document_key": "pdf_without_extension",
-                    "content": "# Hello World",
+                    "_ab_source_file_parse_error": "Error parsing record. This could be due to a mismatch between the config's file type and the actual file type, or because the file or record is not parseable. Contact Support if you need assistance.\nfilename=pdf_without_extension message=PDF parsing requires the 'unstructured_inference' package. Install it with: pip install unstructured-inference",
                     "_ab_source_file_last_modified": "2023-06-05T03:54:07.000000Z",
                     "_ab_source_file_url": "pdf_without_extension",
                 },
@@ -587,7 +587,7 @@
             {
                 "data": {
                     "document_key": "docx_without_extension",
-                    "content": "# Content",
+                    "content": "Content",
                     "_ab_source_file_last_modified": "2023-06-06T03:54:07.000000Z",
                     "_ab_source_file_url": "docx_without_extension",
                 },