1, insert comments. Select the text to annotate, click the Review tab of the ribbon, in the Annotation group, click New Annotation, and then type the annotation text in the comment box or review pane.

2. Modify the comments. If the comment is not visible on the screen, click the Show Markup drop-down menu in the Revisions group on the Review tab, select the comment, and then click inside the comment box you want to edit to make the desired changes.

3. Modify the comments in the review pane. If the comment box only displays some comments, you can change the comments in the review pane. To display the review pane, in the Revisions group, click Review Pane. The review grid will appear next to the document. In this way, you can modify the comments of the document.