I get an error that this file is corrupt or not readable. (can't attach the .ppt file) Is it possible to fix?

 

Can you attach it as a zip file?

 

It is still useful in troubleshooting. You can also try and import the slides by going to the home on a new document, choosing new slide, reuse slides, then from the window that pops up on the right, open a power point file, choose the damaged file. If there is no backup of the file anywhere or a copy in an email attachment anywhere, your options are limited to a third party recovery tool. Most of those will be a paid software and are not guaranteed. But I can say that I use usually in such circumstances the PowerPoint Recovery Toolbox. If you want to try it or use another known program.
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I get an error that this file is corrupt or not readable. (can't attach the .ppt file) Is it possible to fix?

Why is this posted in the embedded forum?

Where is your backup file? Doesn't anyone make backups anymore?