Adding a Digital Signature to a Macro Project

PP07S-4.2.1

If you want to add a digital signature to a presentation with a macro, you need to add it using the Visual Basic editor. If you open a presentation that contains a signed macro project with a problem, the macro is disabled by default and the Message Bar appears to notify you of the potential problem. You can click Options in the Message Bar to view information about it. For more details, you can click Show Signature Details to view certificate and publisher information. If a digital signature has problemsit's expired, not issued by a trusted publisher, or the presentation has been alteredthe certificate information image contains a red X. When there's a problem, contact the signer to have them fix it, or save the presentation to a trusted location, where you can run the macro without security checks.

Sign a Macro Project

Open the presentation that contains the macro project, and then click the Developer tab.

Click the Visual Basic button to open the Visual Basic window.

Click the Tools menu, and then click Digital Signature.

Click Choose.

Select a certificate in the list.

To view a certificate, click View Certificate, and then click OK.

Click OK.

Click OK again.

Click the Save and Close button in the Microsoft Visual Basic window.

Did You Know?

You can create a self-signing certificate for a macro project. Click the Start button, point to All Programs, point to Microsoft Office, point to Microsoft Office Tools, click Digital Certificate for VBA Projects, enter a name, and then click OK. Office programs trust a self-signed certificate only on the computer that created it.