Free backup software to store encrypted backups online for Windows!

Duplicati
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Duplicati

  -  82.97 MB  -  Open Source
Free Download

Security Status

  • Latest Version

    Duplicati 2.2.0.1 (64-bit) LATEST

  • Review by

    Michael Reynolds

  • Operating System

    Windows 7 64 / Windows 8 64 / Windows 10 64 / Windows 11

  • User Rating

    Click to vote

  • Author / Product

    Duplicati Team / External Link

  • Filename

    duplicati-2.2.0.1_stable_2025-11-09-win-x64-gui.msi

  • MD5 Checksum

    fb6f385fd8e19d22ea4bc3f4b76e29f2

Duplicati is a free backup program to store encrypted backups online for PC! It works with standard protocols like FTP, SSH, WebDAV as well as popular services like Microsoft OneDrive, Amazon Cloud Drive & S3, Google Drive, box.com, Mega, hubiC, and many others.

Duplicati Screenshot 1

Backup files and folders with strong AES-256 encryption. Save space with incremental backups and data deduplication. Run backups on any machine through the web-based interface or via a command-line interface. It has a built-in scheduler and auto-updater.

Duplicati is free software and open source. You can use the app for free even for commercial purposes. The source code is licensed under LGPL. Duplicati runs under Windows, Linux, macOS.

It requires the.NET Framework 4.5 or Mono. It uses strong AES-256 encryption to protect your privacy. You can also use GPG to encrypt your backup.

It was designed for online backups from scratch. It is not only data efficient but also handles network issues nicely. E.g. interrupted backups can be resumed and the program tests the content of backups regularly. That way broken backups on corrupt storage systems can be detected before it’s too late.

The backup app is configured by a web interface that runs in any browser (even mobile) and can be accessed - if you like - from anywhere. This also allows running the app on headless machines like a NAS (network-attached storage).

Features and Highlights
  • It uses AES-256 encryption (or GNU Privacy Guard) to secure all data before it is uploaded.
  • Duplicati uploads a full backup initially and stores smaller, incremental updates afterward to save bandwidth and storage space.
  • A scheduler keeps backups up-to-date automatically.
  • Encrypted backup files are transferred to targets like FTP, Cloudfiles, WebDAV, SSH (SFTP), Amazon S3, and others.
  • It allows backups of folders, document types like e.g. documents or images, or custom filter rules.
  • The app is available as an application with an easy-to-use user interface and a command-line tool.
  • The program can make proper backups of opened or locked files using the Volume Snapshot Service (VSS) under Windows or the Logical Volume Manager (LVM) under Linux.
Compatible with your storage providers

Azure Blob Storage
Efficient, cost-effective tiered storage solution ideal for long-term data retention.

Dropbox
Cloud storage with time-saving features for seamless file access and sharing.

Google Cloud Storage
A fully managed service designed for scalable storage of unstructured data.

OneDrive
Microsoft's personal cloud storage solution for secure online file management.

Amazon S3
Offers object storage accessible via a web service interface.

SFTP Server
A secure communication protocol with multiple layers of security architecture.

External Hard Drive
An at-home solution for creating and maintaining personal data backups.

Box.com
Cloud-based collaboration and file-sharing platform tailored for businesses.

Network-Attached Storage (NAS)
A storage solution that allows local file access over a network.

Pricing

FREE
  • Monitor backups from anywhere
  • Secure credential storage (planned)
  • Insights dashboard
  • Monitor up to 5 machines
  • View the last 200 backups
  • 1 year monitoring retention
  • Community support
Duplicati Pro - $5

Per machine/month. Billed yearly
  • Org Management
  • Monitoring & alerts webhooks
  • Advanced backup anomaly alerting
  • 3 year monitoring retention
  • View the last 200 backups
  • Priority support
  • Cloud based backup management
PROS
  • Supports multiple backends.
  • Strong encryption (AES-256).
  • Incremental backups and deduplication.
  • Cross-platform compatibility.
  • Free and open-source.
  • Web-based interface for easy access.
CONS
  • Requires .NET 4.5 or Mono.
  • Encryption setup may be complex.
  • Web-based interface might not suit all users.
  • Limited mention of mobile app support.
  • Dependency on network connectivity for online backups.


Download Duplicati Latest Version
Why is this app published on FileHorse? (More info)

  • Duplicati 2.2.0.1 (64-bit) Screenshots

    The images below have been resized. Click on them to view the screenshots in full size.

    Duplicati 2.2.0.1 (64-bit) Screenshot 1

What's new in this version:

Changed:
- Report remote filenames on failures
- Fixed issues with timeouts on MSGraph-based backends (OneDrive and others)
- Fixed base-href placement for better proxy support
- Fixed an issue with not parsing enums with multiple values (aka flags)
- Clear warnings for configuration issues, if the issues are resolved
- Better detection of valid S3 hostnames
- Showing assembly version in version number
- Marked --send-mail-password as a password setting
- Improved WebDAV parsing logic for more servers
- Made pCloud options visible
- Added option to disable remote control while being connected to console
- Fixed a retry issue with sync-tool

Changes in user interface:
- Added support for picking power-mode provider
- Fixed issues with filters
- Fixed styling of some buttons
- Fixed issue with "Test connection" not offering to fix know issues
- Made the export tooltip optional
- Fixed an issue with parsing the exclude attributes and file size
- Improved some hint texts
- Fixed support for showing durations that include days
- The button to resume from paused state is now called "Resume"
- Hide usage reporter options if this is disabled via environment variables
- Show currently installed version on the settings page
- Set user language on first load to avoid default English page
- Added check when doing cross-OS restores
- Prevent clicking on steps that cannot be clicked
- Added password visibility toggle on main password
- Added some improved views for emails and files
- Fixed an issue with allowing uppercase and non-ASCII names in the folder path
- Commandline UI now loads global settings
- Very long error messages now introduce scrolling inside the popup
- Show configured backups for restore first, then direct restore options
- Added scrolling to source paths, which allows more than 25 sources to be added
- Filejump is hidden as it is undergoing a migration
- Sizes are now allowing bytes for precision
- Incorrect volume size warning fixed
- Added new console connect flow

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