Press Ctrl+End to go to the last page
Turn on Show/Hide formatting marks
Delete extra paragraph marks, page breaks, or section breaks
Select and remove blank paragraphs on the extra page
Check for hidden tables or images pushing content onto a new page
Reduce the font size of the last paragraph if needed
Adjust paragraph spacing before and after
Delete any manual page break
Remove any section break if it is creating a blank page
Use Backspace or Delete to clear the extra page content
If the page is caused by a table, reduce the table size or move it up
Save the document and check the page count again