[Stefan Blom]

It seems as if the document is protected and the ability to accept and
reject as well as turn off Track Changes have been disabled. If this is Word
2007, click the Review tab. Click Protect Document, and then click Restrict
Formatting and Editing to display the task pane. Click the Stop Protection
button.

If the editing restrictions have been enforced with a password, you can get
around that by creating a new document and then insert the contents of the
protected document via Insert tab | Object | Text from File. (This very
simple workaround works with forms protection as well, but not when you
password protect a document in order to prevent people from opening it.)

--
Stefan Blom
Microsoft Word MVP



wrote in message
...
I have a document going back and forth with a colleague. We both see
"Track Changes" as greyed out and neither of us can accept/reject the
changes from previous reviews. What's happening and how can we fix it?