If the file is opening without asking for a password, hold down the option key (mac) or shift key (windows) while opening the file and you'll get a password dialog where you can enter the full access account name and password.
and I have no back up
A really, really bad situation. Always make backups. Always make and keep lots of back ups. The process can be set up to happen automatically while you develop your file:
so simple just like iTunes
thank you so much i was pulling my hair out