File Versions


Mountain Duck 4.12 or later required. Previously versions could be accessed from the context menu by right-clicking on a file in Finder on macOS or File Explorer on Windows and choosing Versions.

A list of file versions can be viewed within the Versions tab of the Info window. The files can also be reverted to a chosen version of the list.

Supported Protocols

The versions feature within the Info window is supported for the following protocols:


Revert previous version

Open/Quick Look previous version

Delete version


Backblaze B2

Google Drive

Google Storage

Microsoft OneDrive

Microsoft Sharepoint




Using S3 versions will only be displayed for buckets with versioning enabled. Versioning can be enabled per bucket in by choosing Info → S3 in Finder on macOS or File Explorer on Windows. Alternatively, enable versioning in AWS Console or Cyberduck.


You can revert to a previous version of a file by choosing Versions → … → Revert. Wait for the File Updated notification which notifies the previous version has been restored.

File Updated Notification (Windows)


Permanently delete a previous version of the selected file.


This will open a Quick Look preview on macOS or open the previous version of the file in the default application on Windows.