u/mydelkoFa2137

I opened OneNote today, as everyday, and I couldn't edit nor add any notes. I reinstalled the app (I'm always using an app on my tablet) and when I logged into my account all of my folders/notes were missing. Instead, all of my old (deleted in February!!!) notes appeared. I tried searching for my missing notes on every device I own (pc, phone..)...nothing... Finals are right around the corner and all of my notes are gone...Is there ANYTHING I can do to regain them?? I'm desperate..