I find that Google Drive just doesn't work as well. We routinely get files that are "unable to sync" but manually retrying them works. I've seen it happen on OS

I find that Google Drive just doesn't work as well. We routinely get files that are "unable to sync" but manually retrying them works. I've seen it happen on OS X and Windows. I think it just doesn't handle locked files as well. Dropbox "just works."