Repair data from corrupt or inaccessible PowerPoint presentation, I would like to refer Kernel for PowerPoint file recovery software. The software is capable to retrieve data from master slide as well as the other slides safely.
The software supports the recovery of PowerPoint files having PPT, PPTX, PPS, PPSX and POT file formats. To download the software free demo version, go to: http://www.powerpointfilerepair.com