If you’re working with a lot of text and need to search and replace a word or a phrase, use Find and Replace in your Office app.
Select Replace or press Ctrl + H.
Note: This experience is similar across the Office apps, but this example applies to Word.
In the Find what box, type the text you want to search for.
Select Find Next to see where the text appears in your file.
Note: In Word Online, select Next result to find where your text appears in a file.
In the Replace with box, type the text you want.
Select Replace to change the text or select Replace All to change all instances of this text in your file.