Denmark ditches its plan to replace Microsoft Office with Collabora because it wasn’t working with OOXML files

Denmark ditches its plan to replace Microsoft Office with Collabora because it wasn’t working with OOXML files

By Simon Batt
Publication Date: 2026-10-25 02:56:00

Summary

  • Denmark trialed Collabora to ditch Microsoft Office, but it failed to open some OOXML files.
  • A 38-person trial was paused for elections and later canceled after persistent import issues.
  • Proprietary OOXML format makes migration painful; as long as proprietary files remain, swaps won’t be seamless.

Some European countries are taking their first steps toward digital sovereignty by removing their dependency on foreign tech. One such hurdle is getting rid of Microsoft products, such as Windows and Office, which is easy enough on paper. The only question is, what do you replace it with?

Well, it turns out that Denmark…