Are you trying to restore keynote file on Mac Mountain Lion ? You must be very frustrated when you have lost the keynote file you prepared by spending hours. These keynote files could be very important for your job or college project. There are various reasons by which you can lose your keynote file and there is need to restore keynote file on Mac Mountain Lion. Some of them are like when the application freezes, the system hangs or is suddenly shut down. You may also have accidentally deleted it or formatted the hard drive containing the files. If the system is infected by virus or any malicious program then the keynote file will get corrupted. You can restore keynote file on Mac Mountain Lion by using the AutoRecovery option which allows you to recover the files when it is abruptly closed. There is also a Time Machine back up facility that automatically saves the copy of file at regular interval. If you are unable to restore keynote file on Mac Mountain Lion then you can use Mac data recovery software that can recover the file so you can access and edit them.