In the screen that opens, click on the 'Check for Issues' box a drop-down menu will appear - from that, choose 'Inspect Document'.From the menu options at the top of the screen, click 'FILE'.For safety, save a copy of the document under a different file name.Open the document that has been saved with comments that you want to make anonymous.The author of your comments will change to 'Author.' If this does not work, close the document and reopen it. Check the box for: 'Remove personal information from this file on save'.In the tabs at the top of the document window ('Home', 'Insert', etc.), click Review -> Protect -> Protect Document.Note that these instructions will not catch identifying information in the text of the document itself (for instance if an author has included their name and title at the beginning or end of the manuscript, in an acknowledgments section, etc.) Word for Mac 2016/Office 365 Here are instructions for anonymizing comments, tracked changes and file 'Properties' in a Word document.

How to insert comments in word document