Enable a hard disabled Excel 2007 Add-In

Follow following steps to enable a hard disabled Excel 2007 Add-in.

1. Launch Excel.
2. In the application, click the Microsoft Office Button. Click Excel Options button.
3. In the categories pane, click Add-ins. In the Manage box, click Disabled Add-ins, and then click Go.
4. Select the add-in and click Enable.
5. Click Close.