been working on microsoft movie for HOURS and just went to reopen it after saving this morning, saying file is corrupt?!?!  need help asap!

i've uploaded to one drive - here's the link.

https://onedrive.live.com/redir?resid=9078214828F3135E!152&authkey=!APJ00ONcIV6CYck&ithint=file%2cwlmp

can anyone please please help me recover this?!?  Very urgent/time sensitive, need this completed by tomorrow and would be so grateful if I didn't have to to start over from scratch!