Have you tried turning it off and back on.Try that if that does not work then try debugging it
Well, dont know ;-: PROBLEM?
The answer is D: Click on Final in the Display for Review drop-down menu.
Microsoft Word can keep track of changes made words or sentences of a document. It marks the text added or removed. To turn the track changes option on, you will simply click on the Review tab and click Track Changes. To view the edited document without the Track Changes markup, Click on Final in the Tracking group for Review drop-down menu located opposite the Track Changes button.
Answer
Explanation:
There should be more context to this question but I would say there is a variety of things that could be seen as communication equipment, such as email, telephone, voice message, through mail.