Corrupt Powerpoint file, the file extension does not match the I [Solved]

singularity83 1 Posts Wednesday November 29, 2017Registration date November 29, 2017 Last seen - Nov 29, 2017 at 07:30 AM - Latest reply: xpcman 18238 Posts Wednesday October 8, 2008Registration dateModeratorStatus December 15, 2017 Last seen
- Nov 29, 2017 at 03:11 PM
Hello, I have several PowerPoint presentations that I can't open them now it says " file may be corrupted when
use PowerPoint or expansion
file may not match the internal file format " . Please
help, I these presentations have been using them for a long time, I
need help how to recover data?
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xpcman 18238 Posts Wednesday October 8, 2008Registration dateModeratorStatus December 15, 2017 Last seen - Nov 29, 2017 at 03:11 PM
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Helpful
Perhaps this might help:

https://www.wikihow.com/Fix-a-Corrupted-PowerPoint-PPTX-File

Good Luck
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