Before you can purchase any paid tool to recover PPT files, you should try few easy manual tricks. The manual tricks don’t require any third party software. You can first try to open corrupt PPT file with Open and Repair feature of MS PowerPoint program. If still, you can’t open the PPT file then you can try Best File Recovery Program to recover PPT files with ease. You can restore almost everything from the corrupt file and save them into new one without causing any modification or alteration. But before you purchase the software, you can use its free demo version. It shows you what you could possibly recover from the corrupt PPT files before you actually pay for the program. If you are satisfied with the recovery results, then you can purchase the program to save the data.