Merge pull request #1122 from ExpressionEngine/update-subfolder-docs

making it clear that compatibility mode has to be off for subfolders

Author: TomJaeger

docs/control-panel/file-manager/subfolders.md

@@ -8,7 +8,9 @@
 -->
 # Subfolders
 
-Subfolders can be uses to help better organize your files. In order to do that, subfolders need first to be enabled in [Upload Directory](control-panel/file-manager/upload-directories.md) preferences.
+Subfolders can be used to help better organize your files. In order to do that, subfolders need first to be enabled in [Upload Directory](control-panel/file-manager/upload-directories.md) preferences.
+
+NOTE: **Note:** Creating subfolders requires File Manager Compatibility Mode to be disabled. If Compatibility Mode is enabled, the New Folder option and subfolder features are unavailable. You can disable it in [Settings -> Content & Design](control-panel/settings/content-design.md#run-file-manager-in-compatibility-mode).
 
 After enabling subfolders, you will see the "New folder" button in the top right of the File Manager when viewing the contents of an Upload Directory. Clicking the "New Folder" button will show the folder creation dialog. This option is not available from the "All Files" view.
 
@@ -17,4 +19,3 @@ After enabling subfolders, you will see the "New folder" button in the top right
 From the New Folder dialog, subfolders can be created in the current location as well as any other locations where subfolders are enabled. Subfolders can also be nested within other subfolders.
 
 To rename a subfolder, use the Utility Action menu (the `...` at the end of a folder's row) and select the `Rename` option.
-

docs/control-panel/file-manager/upload-directories.md

@@ -66,6 +66,8 @@ Default view type for this upload directory.
 
 Enables creating subfolders within this upload directory and placing files within those.
 
+NOTE: **Note:** Subfolders are available only when File Manager Compatibility Mode is disabled in [Settings -> Content & Design](control-panel/settings/content-design.md#run-file-manager-in-compatibility-mode).
+
 #### Keep subfolders on top?
 
 Group subfolders at the top of the files list when browsing, irrespective of sorting order. When turned off, the folders will be mixed with the files list.