If you have a document that has a small amount of text on the last page, you might be able to shrink the text just enough to avoid having to print that extra page.
Click Edit Document > Edit in Word Online if you haven’t done so already.
Press Ctrl+A to select all the text in your document.
Click Home > Shrink Font one or more times.
As you click Shrink Font, Word decreases the size of every font in your document.
Click View > Reading View to see if you shrank the text enough.
Tip: If this doesn’t work and you have the Word desktop program, click the Open in Word button to open your document in Word and shrink text to fit there.