Are you willing to retrieve lost keynote slides ? The keynote application on Mac is used to create presentation files for the personal or professional reasons. The keynote presentations are very important and they can get lost if there is any error while editing the file, the system may also shut down abruptly. If you are transferring the file and the process is interrupted then the file can be broken and you can not access it completely. In case the drive where it is stored gets corrupted then also you need to retrieve lost keynote slides. If you are able to get a fresh copy of file then there is no problem , you can even take help of the auto recovery option of the keynote application which can recover the accidentally closed files. There is a time machine backup utility which saves a copy of the file in external drive, search for that file and recover it .If all options have failed then you can use the iWork recovery software which can scan and get the corrupted files. When you select the required files then it will retrieve lost keynote slides. You can then edit it easily. You should download the software now.