If you would like to change the default save location for files in Office 2016, 2019 or Office 365, follow these steps.

1. Open any one of the desktop Microsoft Office programs on your computer, such as Microsoft Word.
2. Click on the File menu tab.
3. Click on the Options tab on the left.
4. Click on Save Settings located on the left menu.
5. On the right-hand side, you will see a checkbox labeled "Save to computer by default". Check it.
6. Set the default local file location to the folder on your computer you would like Microsoft Office to save files to by default.
   
7. Click Ok.