Enter “Default Programs” into the search input box, click “Apps” and click “Default Programs.” Click the “OpenOffice.org” entry in the “Programs” pane.

Click the “Choose Defaults for this Program” button.

Check the “.doc,” “.docx,” “.docm,” “.dot,” “.dotm,” and “.dotx” entries.

How do I change the default program for file types in Windows 10?

Windows 10 uses Settings instead of Control Panel to make changes to file type associations. Right-click the Start button (or hit the WIN+X hotkey) and choose Settings. Scroll down a little and select Choose default apps by file type. Locate the file extension you want to change the default program for.

Can I use OpenOffice with Windows 10?

First of all, know that OpenOffice for Windows 8, Windows 10 is not an app, but a desktop program. It is very similar to Microsoft Office, with the difference that it is an open source product, therefore it’s available free of charge. This software suite has been used by Linux and Mac users for a very long time.