After you file

I just completed my personal 2021 return .  I did as I usually do---click on the x at top and waited for the form to save the return.  That did not pop up and the return closed.  I logged back on and my return was blank.  I had worked all afternoon and only needed to finish one Schedule.  How can I restore it?  I went to recycle bin but nothing there either.  PLEASE HELP ME