How to: Create revision marks.
Solution:
Select the 'Tools' menu and select 'Revisions...', and select the 'Mark Revisions While Editing' and 'Show Revisions on Screen' check boxes.
1) Select the 'Tools' menu and select 'Revisions...'. (The Revisions dialog box appears.)
2) Select the 'Mark Revisions While Editing' check box.
'Mark Revisions While Editing' check box
3) Select the 'Show Revisions on Screen' check box.
4) (Optional) Select the 'Show Revisions on Printed Document' check box.
5) Click 'OK'.
