Thank you for the feedback! We know that deleting a page can be challenging so we have recently updated our help article on this topic to help explain why you might have a blank page in your document and how to remove it when that happens. You can find the article here: https://support.office.com/en-us/article/Delete-a-page-in-Word-174fedd3-b4e5-42e4-a4d0-5e25127a1404
An error occurred while saving the commentLorraine Corbett commented
The easiest way to delete a page from Word on Windows if it is the last page is to hit CTRL/END taking you to the blank page then hit the DELETE key on keyboard.