How to Delete a Comment in a Message Thread Training Updated January 05, 2017 17:30 Follow On the left-hand side of the screen, click Team Chat. Click on the relevant thread to open it. Navigate to the comment to be deleted. On the right-hand side of the comment, select the drop-down arrow. Then, click Delete. Related articles How to Delete a Whole Message Thread Comments 0 comments Please sign in to leave a comment.