Cyberduck Mountain Duck CLI

Version 24 (modified by dkocher, on Nov 12, 2009 at 9:07:50 PM) (diff)


Cyberduck Help / FAQ


What is Cyberduck?

Cyberduck is an open source FTP/SFTP (SSH Secure File Transfer), WebDAV and Amazon S3 browser licenced under the GPL.

Is Cyberduck free?

Cyberduck is free software. Free software is a matter of the users' freedom to run, copy, distribute, study, change and improve the software. If you find this program useful, please consider making a donation. A donation would not only demonstrate your appreciation of this software, but also help to advance development in the future. It will help to make Cyberduck even better!

What are the requirements?

  • Cyberduck 3.3 requires Mac OS X 10.5 or later.
  • Cyberduck 3 requires Mac OS X 10.4 or later.
  • Previous versions run on 10.3.9. Refer to the changelog.

Make sure to install the latest Java Update from the System Software Update.

Where are preferences and application settings saved to?

In ~/Library/Preferences/ch.sudo.cyberduck.plist. Bookmarks, History and Workspace information is saved in ~/Library/Application Support/Cyberduck/.

Donation Keys

Recover a Donation Key

Donation keys can be retrieved using the email address you registered with Paypal at

The donation key received cannot be opened

The donation key is sent to you by email automatically after the the Paypal transaction has been completed. Make sure the filename of the donation key ends with .cyberducklicense. Some email applications change the extension to .xml when saving the attachment.


My preferred localization is not available!

Why not translate it yourself? Contact me and I'll send you the relevant files. Current available localizations are English, Czech, Dutch, Finnish, French, German, Italian, Japanese, Korean, Norwegian, Portuguese, Slovak, Spanish, Chinese (Traditional & Simplified Han), Russian, Swedish, Hungarian, Danish, Polish, Indonesian, Catalan, Welsh, Thai, Turkish, Hebrew, Latvian and Greek. Subscribe to the localization mailing list.

Choose Localization

Over 20 localizations are included in Cyberduck. When launching the application, the first matching language is choosen according to the Languages list in System Preferences → International. To change your preferred language for all applications, change the order there. If you only want to disable a localization in Cyberduck, use File → Info for in the Finder and uncheck localizations you don't want to use in the Languages section.

Bug Reports and Feature Requests

How do I submit a bug report or request a feature?

Open a new ticket using the issue tracker with a description of what you have a done and what went wrong or describing the missing functionality in detail. Make sure to look or search for existing tickets first.

What is a nightly build

During the development of Cyberduck, current snapshots are published that feature the latest enhancements and bugfixes. You just download the latest build from; refer to the date column as when it was published. Also, the higher the number, the newer the build is. Once you have that build installed (just double click the downloaded file to unpack), you can update to later nightly builds using the Check for Update... feature from within the application.


Why isn't there a local file viewer/two pane interface?

That's what is for. Use drag and drop (eventually together with Exposé) or Menu File → Upload instead You can also copy files in the and then paste them in Cyberduck using Menu Edit → Paste from Finder.

What proxy servers are supported?

SOCKS 4/5. You can adjust the proxy settings in the System Preferences.

My preferred editor isn't supported.

An editor must support the external editor protocol (ODB). It is currently not possible to use an arbitrary editor. Refer to Edit files with any application.

Launch application in 32-bit/64-bit mode

Version 3.3 or newer is bundled as a 64-bit capable application but is launched in 32-bit mode by default. If you prefer to run the application in 64-bit mode (with a higher memory footprint), toggle File → Info → Open in 32-bit mode for in the Finder.

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