It's fast, lightweight and clean. Compatibility to office docs is also very good, it even repaired a big excel file which MS Excel broke and wasn't able to recover.
As if the Chinese don't already have your data... You really think that just because MS Office is paid software that MS isn't also selling your data to the highest bidder?
Free MS alternative. It's from a Chinese company and will occasionally hound you for their subscription but it's not needed to use in most everyday tasks.
Oh and a more niche note: it has themes so a true dark mode is possible, not like this far-too-common mud grey eyesore that everyone's using. Not a perk for everyone for but those of us who see white on black better than black on white, it's a godsend