The whole idea of tracking changes is that you can easily see what changes others have made in your document so that you can choose whether you want to accept or reject the changes when you prepare the final version of the file. On the review tab, in the Changes group, you’ll find the tools you need to display changes and decide whether you want to accept or reject the edits made.
Open a document that has changes made with Track Changes and then click the Review tab.
Click Next to find the next change in the document.
Click Previous to move to the preceding change.