Auto save - Axure
Did you known that Axure makes auto save of the files you are working on? I usually used Dropbox to recover old versions . Now I´ve just realize I don´t need it, because Axure does it for me.
Toolbar > File > Recover File from Backup
Also, you can customize it, programing the backup intervals.
Toolbar > File >Backup Settings
Enjoy it!
;)