editing - MS Word: How do I format all change tracked text at once?

For document revisions/reviews my company insists on using tracked changes and manually making changed text blue. You may be wondering why we don’t just use the settings to make that text appear blue. I am wondering that myself. A PDF won’t work either, it should be in MS Word format so reviewers can reply with comments.

So how do I change all the text to blue at once?

(I am using MS Word 2013.)