Security

11.23. How Can I Control Which Macros Are Allowed to Execute?

Macros have almost complete programmatic access to Outlook and can be written by people who intend to harm your computer or by people who could unwittingly cause harm. As a result, Outlook enables you to define the exact level of macro security that is right for you:

  • Low— This settings allows all macros to run, regardless of whether they're signed and what they attempt to do. Obviously, this is not the recommended setting for most people.

  • Medium— This setting causes Outlook to prompt you when an untrusted, or unsigned, script is about to execute.

  • High— This is the default setting and indicates that no unsigned macro can run. This includes potentially helpful scripts that ...

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