Macro and Security Settings.
To access Macro and security settings:
In Visio 2010, click on menu File | Options. Then at the Visio Options window, click on Trust Center tab and select Trust Center Settings. In Visio 2007, click on menu Tools | Trust Center.
To access Visio settings:
In Visio 2010, click on menu File | Option | Advanced.
In Visio 2010, click on the View tab and then click on the small arrow beside Visual Aids. In Visio 2007 / 2003, click on menu Tools | Snap & Glue.
Proudly authored by: Kok Wai Yin