I see no proof of it doing this. It sounds like it you are saving spreadsheets it may have to do with an extension or third-party app you are using. I've never

I see no proof of it doing this. It sounds like it you are saving spreadsheets it may have to do with an extension or third-party app you are using. I've never had an issue with files randomly getting deleted on Google Drive and it would be a much bigger issue if this was common.