When using Word track changes and comments when collaborating on Word documents. Track changes in Word to ensure error-free files.
Sometimes you may want to add a comment to provide feedback instead of editing a document. While it's often used in combination with Track Changes, you don't necessarily need to have Track Changes turned on to use comments.
You can also respond to an existing comment. Just click the Reply button and type your response.
To delete all comments, click the Delete drop-down arrow and select Delete All Comments in Document.