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Viewer issue - unknown file format. 2022-07-16t07:27:11.753z by radeo1991

65b6a27e-6991-4563-b32a-1a9eb4d46566/Obrazets_prezentatsii.pptx

User URL: https://products.groupdocs.app/viewer/view?file=65b6a27e-6991-4563-b32a-1a9eb4d46566/Obrazets_prezentatsii.pptx
Exception: Unknown file format.
InnerException: ZipEntry::ReadDirEntry(): Bad signature (0xBF7C5517) at position 0x0015F171

radeo1991-65b6a27e-6991-4563-b32a-1a9eb4d46566.zip (616 KB)

We cannot open the provided file at our end. It seems that the file is invalid.