Cyberduck Mountain Duck CLI

Version 186 (modified by dkocher, on Apr 22, 2020 at 1:52:04 PM) (diff)


Cyberduck Help / Howto / Mountain Duck

Cyberduck for mounting volumes in the file explorer is available for Mac & Windows.

Mountain Duck lets you mount server and cloud storage as a disk in Finder on macOS and the File Explorer on Windows. Open remote files with any application and work like on a local volume. Transfer files using Finder to remote servers, fast.


Refer to our installation instructions.

User Interface

Mountain Duck runs in the status bar (Mac) and taskbar (Windows). Refer to our user interface documentation.

Smart Synchronisation

The smart sync feature allows to make files available offline. Read more.

File History

Recently changed files and pending file transfers. Read more.

Client-side Encryption

Support for client side encryption with ​Cryptomator interoperable vaults. Read more.

File Locking

Support for locking files to prevent conflicting edits from others while a document is open in a editor. Read more.

File Versioning

You can preview and revert previous versions of files in a versioned bucket in Amazon S3. Read more.

Integration in Finder and Windows File Explorer

Sync Options

Sync Options to keep file offline or delete from local disk.


Changes from server not immediately visible. The directory listing in may become out of date when another applications is adding, removing or modifying files on the server. Choose Reload in Finder from the bookmark menu item or Reload from the ​Finder Extension menu. On Windows, you can force File Explorer to refresh the directory listing with F5.


Right click files on a mounted drive will open a menu with items to copy & open HTTP URLs or create share links of files. This will include the Origin URL, HTTP URLs and temporary signed URLs in S3. Read more.

No image "Mountain Duck Finder Context Menu.png" attached to help/en/howto/mountainduck

Add Bookmark

Right click to add a bookmark for the selected path.

Open in Terminal

Right click on a folder and choose Open in Terminal to open a SSH connection to the server in Terminal for SFTP bookmarks. This feature is not supported in the version available in the Mac App Store.

Info Panel

Right click on a file and choose Info to change permissions, ACLs, metadata and other service provider specific settings on a file. Refer to Info Window.

No image "Info Window (S3).png" attached to help/en/howto/mountainduck

Usage Scenarios

Mirror files to remote server or cloud storage with rsync

Use rsync or any other of your preferred tools to mirror files for example to an S3 bucket. Set the --timeout=TIME option in rsync (in seconds) if you have a low bandwidth or high latency connection.

Open remote files in text editor

Sublime Text and other editors allow you to open folders to work on multiple files.

Create ZIP archive of files on FTP server or cloud storage

Use your preferred archive utility to create a compressed archive of files already stored on the server.


Refer to Preferences.

Known Issues & Workarounds

Refer to Known Issues.

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