office 365 offers "co-authoring" and easy sharing as well. You're talking about something excel already has.
But working on large files is ridiculously painful. It's just not as as good as a native app. I don't want to give up my ability to work on large files in a performant fashion, which I do all the time, in exchange for collaboration support I do occasionally but a worse overall experience and frustrating lag compared to a native application.
But working on large files is ridiculously painful. It's just not as as good as a native app. I don't want to give up my ability to work on large files in a performant fashion, which I do all the time, in exchange for collaboration support I do occasionally but a worse overall experience and frustrating lag compared to a native application.