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ONPPTAddin.dll

Microsoft OneNote PowerPoint Add-in file version info

Library on Windows 1 known copy with hashes

Is it the real ONPPTAddin.dll?

file version info and known copies
Installed inC:\Program Files (x86)\Microsoft Office\root\Office16\
Signed byMicrosoft Corporation
ProductMicrosoft OneNote, Microsoft Corporation
DescriptionMicrosoft OneNote PowerPoint Add-in

1 known copy

16.0.12527.20470 · C:\Program Files (x86)\Microsoft Office\root\Office16\ONPPTAddin.dll · signed by Microsoft Corporation

80a2518240f7bf8da2ef12474bbb1dd85cb2762633698b9f401646900d8663cc

From the file’s version info and the copies recorded by xCyclopedia (MIT). A copy in another folder, signed by someone else or with another hash is not necessarily malicious, but it is worth a closer look. In Ceplin, "<sha256>".whatis() says which known copy a hash is.