Cyberduck Mountain Duck CLI

Version 66 (modified by dkocher, on Jan 28, 2021 at 12:55:58 PM) (diff)


Cyberduck Help

Contributions to this help are welcome! This is a Wiki, you can edit the pages.


If you have a feature request or bug to report you can issue a new ticket. For support, please write to

Frequently Asked Questions

About system requirements, donation keys, translations and software updates.

Cyberduck Quick Reference Cheat Sheet

Download the Cyberduck Quick Reference PDF.

No image "Cyberduck Quick Reference Page 1.png" attached to help/en No image "Cyberduck Quick Reference Page 2.png" attached to help/en

Command Line Interface

Command Line Interface (CLI) for Mac, Windows & Linux.

Mountain Duck Cyberduck for mounting volumes in the file explorer.

User Interface

Mountain Duck lets you mount server and cloud storage as a disk in Finder on macOS and the File Explorer on Windows.

Smart Synchronisation

The smart sync feature allows to make files available offline

Client-side Encryption (Cryptomator)

Support for client side encryption with ​Cryptomator interoperable vaults. Transparent, client-side encryption to secure your data on any server or cloud storage. Encryption for data at rest prevents unauthorized access regardless of the server or cloud storage infrastructure.

Supported Protocols


With support for secure TLS connections and custom origin Amazon CloudFront (Content Delivery Network) distribution option.

Amazon S3

Transfer files to your ​S3 account and browse the S3 buckets and files in a hierarchical way.

Google Storage

Transfer files to your ​Google Storage account and browse files, manage ACLs and bucket configurations.


Connect to any WebDAV compliant server using both HTTP and HTTP/SSL and custom origin Amazon CloudFront (Content Delivery Network) distribution option.


Advanced configuration for SSH connections using public key authentication and custom origin Amazon CloudFront (Content Delivery Network) distribution option.

OpenStack Object Storage

Connect to cloud storage providers using OpenStack Swift for the storage protocol. This includes solutions from Rackspace Cloudfiles, HP Cloud and Memset.

Windows Azure Storage

Massively scalable object storage for unstructured data

Microsoft OneDrive

Access ​OneDrive without syncing to your computer.

Microsoft SharePoint

Connect to SharePoint Server and SharePoint Online.


Access ​Dropbox without syncing to your computer.

Google Drive

Upload files of any type to use your Google Drive account for storage.

iRODS (Integrated Rule-Oriented Data System)

The Integrated Rule-Oriented Data System (iRODS) is an open source data management software used by research organizations and government agencies worldwide.

Spectra BlackPearl Deep Storage Gateway

The Spectra Logic BlackPearl Converged Storage System provides an easy, cloud-like interface to on-premise storage solutions, including to disk, tape and cloud targets for maximum protection.

Backblaze B2 Cloud Storage

Backblaze B2 Cloud Storage is ¼ of the price of Amazon S3


A highly secure, platform-independent enterprise filesharing solution is Smart Cloud Storage for modern teams

Joyent Triton Object Storage

Triton's Object Storage, Joyent's converged analytics solution, is an open-source, HTTP-based object store

Local Disk?

Open a window to browse your local hard disk to drag files for download or upload to a remote server from within the application. You can browse Cryptomator vaults stored on your computer.


Opening Connections

FTP, SFTP, WebDAV, OpenStack Swift, Google Storage & Amazon S3 protocols are supported. There are several options to open a connection depending on the workflow.


Browse remote files in a list or hierarchical outline view.

  • Info Window
    Edit access permissions and configure CDN options
  • QuickLook
    Preview files in the browser window
  • Open Web URL
    Configuration steps to open HTTP URL of selected file.
  • Create and expand ZIP/TAR Archives
  • Send custom commands
    Send commands to a server not available in the graphical user interface.
  • Activity
    The activity window shows a list of all pending background tasks.

Edit Files

Editing files on the server using an external editor.

Share Files

Share files with others using signed or temporary URLs.


Create and edit bookmarks for your favourite servers.

File Transfers

  • General information about transfers.
  • Download files and folders to your computer.
  • Upload files and folders to a server.
  • Synchronize folders between your computer and a server.
  • Copy files and folders between servers.

Content Distribution (CDN)