Accept or reject changes one at a time
Click or tap at the beginning of the document.
On the Review tab, select Accept or Reject. As you accept or reject changes, Word will move to the next change.
Repeat until you've reviewed all changes in your document.
Accept or reject all changes
On the Review tab, do one of the following:
In the Accept drop-down list, select Accept All Changes.
In the Reject drop-down list, select Reject All Changes.