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To see a snapshot of all activities and comments on any file in OneDrive, use the details pane on your files. There you can also see who has access to a file.

The details pane of a OneDrive file.

Note: New comments made on Word, Excel, and PowerPoint files after September 15, 2020 will not show up in the detail pane or activity feeds. However, comments made before that date will continue to show. If you want to add new comments, we recommend using the commenting feature built into those apps.

How to open the details pane

On any file in OneDrive for the web, select Information Information in the upper-right corner to open the details pane.

The info button for the OneDrive details pane.

If you don't have a file selected and you select Information, you'll see a summary of all the activities that have happened inside your OneDrive. Activities will show for the last 30 days only.

@mentions for non-Office files

Using @mentions is a great way to bring someone's attention to a file. OneDrive now lets you @mention someone in the details pane of any non-Office file that you've saved in OneDrive for home, including photos, videos, PDFs, and more.


Activity card in OneDrive showing the @mention feature.  

  1. Find a photo, video, or another non-Office file in OneDrive, then select the Information Information  icon.   

  2. Under All activity, enter a new comment and type the @ symbol in front of the recipient's name. When you're ready, select the arrow to send your comment. 

  3. If the recipient doesn't have access to the file, OneDrive will confirm that you want to share the file and notify them. Select Share and notify

  4. OneDrive will then send an email notification to the recipient and create an activity card in the details pane. 


  • Comments and @mention on Office files such as Word, Excel, and PowerPoint won’t show up in the details pane, and we recommend using the commenting feature built into Office files.

  • @mentions for non-office file types are not yet available for the OneDrive sync app or  OneDrive for work or school accounts.

How to manage comments 

  • If you're the file owner, you can turn commenting on or off. Next to the file name, select More The More Options button on, then Disable commenting. Disabling commenting will not remove existing comments from activity. It will only prevent the addition of future comments. To turn commenting back on, select More The More Options button on, then Enable commenting.

   The disable commenting option in OneDrive details pane.

  • To delete an individual comment, hover over the comment and select the delete button. 

  • Long comments may be collapsed to save space in your activity feed. Select See more to expand the comment. Note: not available in OneDrive for work or school.

  • The activity feed in the details pane shows both comments and activity, like renaming files or adding captions and descriptions. To see only comments, select the arrow next to All Activity and filter by Comments. Note: In OneDrive for work or school, filter activities next to View.

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