Excel® 2013 On Demand

Setting Macro Security Options

A macro allows you to automate frequently used steps or tasks to save time and work more efficiently. Macros are written using VBA (Visual Basic for Applications) code, which opens the door to hackers to do malicious harm, such as spreading a virus. The Trust Center uses a set of criteria—valid and current digital signature, reputable certificate and a trusted publisher—to make sure macros are safe and secure. If the Trust Center discovers a potentially unsafe macro, it disables the code and notifies you in the Message Bar. You can click Options on the Message Bar to enable it or set other security options. If the macro security options are not set to the level you need, you can change them in the Trust Center. ...