Hi there, @Separsell.

Microsoft Office is listed as the software compatible with QuickBooks. You can still use Open Office since it’s one of the supported alternative programs you can use when using the desktop version.

For more information, the 5 Free Alternatives to Microsoft Office article provides a list of software that can work with QuickBooks.

Please know the Community has your back. If you have any other concerns or questions, post a comment below. I’m here ready to help further. Have a good one.