- Click the Microsoft Office Button , and then click Excel Options.
- Click the Add-Ins
- In the Manage box, click Excel Add-ins, and then click Go.
- To load an Excel add-in, do the following:
- In the Add-Ins available box, select the check box next to the add-in that you want to load, and then click OK.
To unload an Excel add-in, do the following:
- In the Add-Ins available box, clear the check box next to the add-in that you want to unload, and then click OK.