How to comment on Dropbox files

Anyone who has access to a Dropbox file can leave a comment and view other comments, unless commenting is turned off. 

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

How to comment on a file

To comment on a file:

  1. Sign in to dropbox.com.
  2. Click All files in the left sidebar.
  3. Click the name of the file you want to comment on.
  4. Click Comments in the right sidebar. 
    • If the right sidebar isn’t open, click the arrow or Comments button on the right-side of the screen. 
  5. Type your comment.
    • To mention someone in your comment, type @ and then their name or click the @ icon.
  6. Click Post.

How to comment on a specific part of a file

To comment on a specific part of a file:

  1. Sign in to dropbox.com.
  2. Click All files in the left sidebar.
  3. Click the name of the file you want to comment on.
  4. Click Comments in the right sidebar. 
    • If the right sidebar isn’t open, click the arrow or Comments button on the right-side of the screen. 
  5. Click the circle with a plus sign next to Add your thoughts.
  6. Click and drag a box around the area of the file you’d like to comment on.
  7. Type your comment.
  8. Click Post.

Learn how to comment on a specific time in a video or audio file.

How to edit or delete a comment

To edit or delete a comment:

  1. Sign in to dropbox.com.
  2. Click All files in the left sidebar.
  3. Click the name of the file you want to comment on.
  4. Click Comments in the right sidebar. 
    • If the right sidebar isn’t open, click the arrow or Comments button on the right-side of the screen. 
  5. Click the comment you’d like to edit or delete.
  6. Click Edit or Delete.

How are comments ordered in the comment pane? 

Comments are listed in chronological order from the start of the file to the end of the file. If the file has multiple pages, the comments will indicate which page the comment was left on.

Who is notified when I leave a comment?

The following people will receive an email and a notification both on dropbox.com and on their connected devices: 

  • The file owner
  • Anyone who has subscribed to the file
  • Anyone who has commented on the comment thread
  • Anyone who was @mentioned in the comment thread

Learn how to change your notification preferences.

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