Some of the course developers we work with are new to using MS Word’s track changes. When the editor sends a query or document for review, the number of changes shown could be overwhelming. This tutorial on MS Word 2010 could help:

Lynda.com. (2013, April 7). Word tutorial: How to track changes in documents (4:34) [Video]. Retrieved from https://youtu.be/5_knruAysnA.