Google docs query

[amaryllisssa.livejournal.com]

I've got a long writing project on the go  - around 75k at the moment - and thought I'd back it up on google docs BUT it doesn't like it. It doesn't even seem to like it if I paste in 20,000 words at a time. So, what length docs do you have on google docs? Is it the fact that I'm pasting in big chunks that's the problem? My connection? Or am I trying to do something that's just not going to work in some other way?
[headbangs desk]