# Collaboration tab

The Collaboration tab allows to organize collaborative work on the document. In the online version, you can share the file, select a co-editing mode, manage comments, track changes made by a reviewer, view all versions and revisions. In the desktop version, you can manage comments and use the Track Changes feature.

Online Document Editor window:

Desktop Document Editor window:

Using this tab, you can:

- specify sharing settings (available in the online version only),
- switch between the Strict and Fast co-editing modes (available in the online version only),
- add comments to the document,
- enable the Track Changes feature,
- choose the changes display mode,
- manage the suggested changes,
- open the Chat panel (available in the online version only),
- track version history (available in the online version only).