Re: Backward compatibility
Yes, there is excellent support for old or obscure file formats... LibreOffice grew the ability to import mid-90s ClarisWorks files a few versions back, allowing me to view old university lab reports I had backed on an old Zip disk (!) Reading them I was left struggling with the question of whether I actually ever knew the material or was just blagging it because the intervening years had certainly wiped all knowledge from my brain...