Work together seamlessly

ONLYOFFICE Groups, free and open-source online collaboration platform for your team

Released under Apache license

Run on your own server

Use together with ONLYOFFICE Docs

  • Create, edit, and co-author text documents, spreadsheets, and presentations stored in Documents module.
  • Work on project documentation.
  • Make attachments to mail messages.
  • Organize mass mailing, and more with ONLYOFFICE Docs.

Highest compatibility with MS Office formats.

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Customize to your needs


Connect your collaboration platform with external services for logging, signing, authentication, or storage.

Find the apps you need
Branding options

Personalize your collaboration platform with built-in color themes, replace logos, titles, links.

Powerful API

Create custom modules and tools and easily connect them to the collaboration platform.

Visit API docs

Open Source

It’s not just about being free of charge, it means everyone can freely contribute to the project, extend its functionality, and customize to meet their team requirements.

Open on GitHub

1M+ installations

1K+ stars

Easily install and configure

Easy start

Deploy ONLYOFFICE Groups locally using various installation options: .deb/.rpm/.exe, Docker, etc.

Get started

Data security and control

Two-factor authentication. Flexible access rights. Data backup and restore, logging and monitoring tools, and more.

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Professional support

Fast and professional assistance for all technical and functional issues via Community forum.


ONLYOFFICE Groups can be scaled for teams of any size. Even if you have thousands of users!


Manage ONLYOFFICE Groups using an intuitive admin area. Customize and configure with ease.

For enterprises

Get ONLYOFFICE Groups now to test all the benefits yourself, or contact our sales team to request, the cluster version or remote installation/configuration.

Get started Contact sales