A family of Microsoft word processing software products for creating web, email, and print documents.
Make sure to specify the "All Markup" view. After you have selected to display all revisions inline, change the preferences for track changes so that insertions display with underlines and so that deletions display with strikethrough. The options are found at Review > Show markup > Preferences. Note that the settings do not travel with the document; they are specific to your user account and your Word install.