Signing certificate and certificate authority A signature confirms that the information originated from the signer and has not been altered. Remove invisible digital signatures from Word, Excel, or PowerPointĪ digital signature is an electronic, encrypted, stamp of authentication on digital information such as e-mail messages, macros, or electronic documents.

Invisible digital signatures in Word, Excel, or PowerPointĪdd invisible digital signatures in Word, Excel, or PowerPoint Remove digital signatures from Word or Excel This article explains digital signatures (also known as digital ID), what they can be used for, and how you can use digital signatures in the following Microsoft Office programs: Word, Excel, and PowerPoint.

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