Do Away with the "Unknown Author"
The Problem:
When I'm editing with Track Changes on, Word suddenly starts identifying the text I insert as being by "Unknown Author" instead of me. Then it switches back to me. And then back to Unknown Author again. This is driving me up the wall!
The Solution:
This problem is usually triggered by an AutoCorrect change, so one workarounda poor oneis to disable AutoCorrect while Track Changes is on. A marginally better workaround is to open a new Word document, enter the full text of each change (and allow any AutoCorrect changes to be made), and then select the text and paste it into the document in which you're tracking changes.
The only long-term solution is to upgrade to Word 2004, which not only fixes this problem but also offers change balloons (as do Word 2003 and Word XP for Windows).