If you're having corrupt PowerPoint presentation files, you can try few easy manual tricks to repair them but Sometimes what happens if corruption is severe, you can't recover PowerPoint presentation manually. Then in this case, you must use any third party software which is easily available on internet.
But as my experience I would like to recommend you to use this professional powerpoint data recovery software which can recovery all unsaved powerpoint files (.ppt, pptx, pptm) in just 3 clicks: select repair & save.
You can recover your maximum possible data from the corrupted PowerPoint presentation files and save them into new files.
With this software you can fix corruption from your PowerPoint files which are saved with PPT, PPTX and PPTM extension.
Visit here:- PowerPoint Document Recovery
