To enable the Track changes mode, do one of the following:
•Click > > .
•On the Toolbar, switch the on.
•Press ( ).
When the mode is on:
•New changes are recorded.
•You can view, accept, and decline changes.
When the mode is off:
•You can view, accept, or decline changes made earlier.
•You don't have access to changes made by users after the mode was disabled (they are not recorded and do not need to be accepted).