Look in the folder were you save you're files, if there is a back up file. ( A file with the same name but with an extra part .bak.
If you're on Linux you can open this file by double clicking.
On windows you will have to rename this file first. (you need to rename it so the .bak part disappears)
If you're on Linux you can open this file by double clicking.
On windows you will have to rename this file first. (you need to rename it so the .bak part disappears)