Affiliate Marketing Secrets

So lastnight I did a HUGE amount of work on my Marketing assignment and am 100% sure that I pressed save VARIOUS times throughout the night… and now, for the life of me, I can’t bloody find it! The document I thought I saved said that I haven’t made any changes since 5pm that day, when in actual fact I saved it at around 1am. Please please please tell me there is some secret way to retrieve this?????? I am even more annoyed because I thought to myself “Maybe I will save it to my USB just incase” before I told myself “nahh, nothing is going to happen to it”. My Marketing Plan is due today and I am supposed to be sending this draft to the rest of my group..
I need a miracle.