“We’re sorry, but we can’t verify the signature” can appear in two different contexts in Microsoft Office: when verifying a digitally signed email message, or when Office can’t verify the signature of files required during installation. This guide covers both cases and the steps to fix each. Email Signature Verification Issues When this message appears … Continue reading “[KB63363901]-“Can’t verify The Signature” installation error in office 365/2021/2019”
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