Right-click the grayed-out TRK text on the status bar and select Track Changes from the shortcut menu that appears. (Alternatively, double-click the TRK text.)
The Reviewing toolbar appears. Move the mouse pointer over the buttons on the toolbar to see which commands are available.
Type some new text in the document. The new text is underlined and is a different color. Changes are also flagged by a vertical line in the margin.
INTRODUCTION
Suppose you're editing another person's document or are working on a report in a team environment. If so, it's a great idea to track the changes to the document through the use of revision marks. That way, other people can easily see what changes have been made to the document, and by whom.
TIP
Disabling Document Tracking
You can quickly turn off Word's document-tracking feature by double-clicking TRK on the status bar.
TIP
Tracking Names
When you place the mouse pointer over a revision mark, the username of the person who made the edit is displayed in a ScreenTip.