Collaborate and comment on documents

1. Navigate to the relevant document and open it to reveal the document detail.
2. Click the Comments  toggle located on the Document Options sidebar at far right. This will open the Comments Panel.
3. Write your comment. Use @ to mention a specific colleague.
4. Press enter on your keyboard or click the  button to post your comment. Mentioned colleagues will receive an email notification.

 Note: only users with permission to view the document can be selected with the @mention capability.