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.

The Signature Details dialog box displays certificate information such as the signer’s name in the Signing as box, and who issued the certificate. Open the file that contains the certificate you want to view.

If your application modifies the database in a way that will invalidate the signature, for example, by creating a new action query, then avoid digitally signing the database. Instead, use a signed package (.accdc) for distribution, and then combine that with the use of a trusted location.

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.

On the Tools menu, click Form Options. Under Category, click Digital Signatures, and then click Enable digital signatures for the entire form.

When you sign a signature line, you add a visible representation of your signature and a digital signature. In the file, right-click the signature line and choose Sign.

Learn how to use digital signatures and encryption in Outlook for Mac. Both the sender and recipient must have a mail application that supports the S/MIME standard. Outlook supports that standard.

In this segment, we identify the decisions you need to make and the information you need to assemble before you add a version of the Collect Signatures workflow.

To re-sign a VBA file, press Alt+F11 from within the file to open the VBA Editor. To replace an existing signature with the V3 signature, select Tools > Digital Signature.

In either case, the following requirements must be met in order to digitally sign a form or form template: The digital signature is valid. The certificate associated with the digital signature is current (has not expired). The signing person or organization, known as the publisher, is trusted.