while this feature makes LibreOffice gather more users, in the long term this strategy IMHO will not pay off. "Microsoft formats" is moving target and playing "catch up with microsoft" game all the time - wasting resources which otherwise could be poured into making product itself nicer, which in turn will convince users to switch based on features, not just on the fact, that it is free. I hope my idea make sense :)

I guess balance between two is necessary. You can't totally ignore MS formats, but focusing only on it - will stale this project.

This works nearly flawlessly for me since 4.0.

So so many Excel files. Ugh.