You can disable comments on a file after you’ve shared it with other people.
 

New to Dropbox? See how you can easily add annotations to your collaborative work.
 

 To disable comments on a file:

1. Log in to dropbox.com.
2. Click the name of the file you want to disable comments on.
   
   • Make sure you have your previews set to Full screen. 
3. Click Comments in the right sidebar.
   • If the right sidebar isn’t open, click the arrow or Comments button on the top-right.
     
4. Click “…" (ellipsis) in the comments window.
5. Click Disable comments.

To enable comments again, you can follow the same steps as above, then click Enable comments.

Looking to turn off comment notifications? Learn how.

Admins: How to disable comments for a Dropbox team

If you’re a team admin, you can disable comments for your Dropbox team:

1. Log in to dropbox.com.
2. Click Admin console.
3. Click Settings in the left sidebar.
4. Under Content, click Commenting.
5. Toggle Commenting to Off.