How can I recover a corrupted PowerPoint 2010 file?
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ANSWER:
.pptx files are actually zip files. So are .xlsx and .docx. Infozip’s zip.exe has the following command line options:
-F fix zipfile (-FF try harder)
I’d make a copy of the corrupt file and try using zip -F file.pptx and/or zip -FF file.pptx.
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