Obtain a digital certificate and create a digital signature
This article explains how you can get or create a digital signature for use in Office documents. To learn more about how to use them in Office documents, see Add or remove a digital signature in Office files .
Digital signatures and certificates - Microsoft Support
A digital signature is an electronic, encrypted, stamp of authentication on digital information such as email messages, macros, or electronic documents. A signature confirms that the information originated from the signer and has not been altered.
Secure messages by using a digital signature in Outlook
A digital signature attached to an email message offers another layer of security by providing assurance to the recipient that you—not an imposter—signed the contents of the email message. Your digital signature, which includes your certificate and …
Get a digital ID in Outlook for Windows - Microsoft Support
A digital ID enables you to send digitally signed messages using Microsoft Outlook. A digital ID—also known as a digital certificate—helps prove your identity and helps prevent message tampering to protect the authenticity of an email message. You also can encrypt messages for greater privacy.
Add or remove a digital signature for Microsoft 365 files
Add invisible digital signatures in Word, Excel, or PowerPoint. Remove invisible digital signatures from Word, Excel, or PowerPoint. What is a digital signature? A digital signature is an electronic, encrypted, stamp of authentication on digital information such as e-mail messages, macros, or electronic documents.
Digitally sign your VBA macro project - Microsoft Support
This article describes how you can digitally sign a macro project on Windows by using a certificate. If you don't already have a digital certificate, you'll need to get one.
Enable or disable digital signatures - Microsoft Support
You can use a digital signature for many of the same reasons that you might sign a paper document. A digital signature is used to authenticate digital information — such as form templates, forms, e-mail messages, and documents — by using computer cryptography.
Show trust by adding a digital signature - Microsoft Support
To add a digital signature, you can use a commercial security certificate, or you can create your own. The process that you use to digitally sign a database depends on the database version you are using.
Introduction to digital signatures - Microsoft Support
How to use digital signatures in InfoPath. What is a digital signature? You can use a digital signature for many of the same reasons that you might sign a paper document. A digital signature is used to authenticate digital information — such as form templates, e-mail messages, and documents — by using computer cryptography.
View digital signature and certificate details - Microsoft Support
You can view information about a digital signature, or the certificate that is used to create the digital signature, in Word, PowerPoint, and Excel. For more information on adding or removing digital signatures, see Add or remove a digital signature.