Microsoft Support

Microsoft Home Page

Sign in

Select the product you need help with

Select a solution

About helping protect files from macro viruses - Outlook - Office.com
Show All Hide All A macro virus is a type of computer virus (virus: A computer program or macro that "infects" computer files by inserting copies of itself into those files. When
Macro security levels - Outlook - Office.com
Show All Hide All The following information summarizes how macro (macro: An action or a set of actions that you can use to automate tasks. Macros are recorded in the Visual Basic
Review digital certificates for a file or macro project - Outlook - Office.com
Confirm the authenticity of a file or macro with a digital certificate. You can check the source and the validity.
Add a digital signature to a file or macro project - Outlook - Office.com
Show All Hide All You digitally sign (digital signature: An electronic, encryption-based, secure stamp of authentication on a macro or document. This signature confirms that the
Add or remove a macro developer as a trusted source - Outlook - Office.com
Do one of the following: Add a macro developer as a trusted source Open the item or load the add-in that contains macros from the source you want to add to the list. In the