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Proxmox Backup Server is an enterprise-class client-server backup software that backups virtual machines, containers, and physical hosts. It is specially optimized for the Proxmox Virtual Environment platform and allows you to backup and replicate your data securely. It provides easy management with a command line and web-based user interface and is licensed under the GNU Affero General Public License v3 (GNU AGPL, v3).

Proxmox Backup Server supports incremental backups, data deduplication, compression, and authenticated encryption. Using Rust as implementation language guarantees high performance, low resource usage, and a safe, high quality code base. It features strong encryption done on the client side. Thus, it’s possible to backup data to not fully trusted targets.

The project is developed and maintained by Proxmox Server Solutions GmbH.


Download the latest ISO image files.

Alternate download:


The installation medium (CD or USB) is a complete operating system, including everything you need to install and run Proxmox Backup Server in only a few minutes. It can be installed bare-metal on dedicated hardware or in a virtual machine on all leading virtualization platforms. You can also install it on top of an existing Debian installation.

See the Installation chapter in the reference documentation for details.

Upgrading Proxmox Backup Server

System software updates are downloaded from the Package Repositories and should be applied frequently to receive the most recent bug/security fixes and to obtain the newest features.

You can also upgrade existing Proxmox Backup Server installations to the next major release:


The Proxmox Backup Server documentation is freely available in different formats such as HTML and PDF see Proxmox Backup Server Reference Documentation You can access the documentation via the management interface of your Proxmox Backup Server installation by clicking on the contextual help buttons.

There are a few how-tos available in this wiki.

The developer documentation explains how to get involved in the development process of the Proxmox Backup Server, see Developer Documentation

Release History and Roadmap

Take a look on the Roadmap for existing and upcoming features.