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If you are not a developer, you probably will not need to load or unload a Component Object Model (COM) (COM add-in: A supplemental program that extends the capabilities of a Microsoft Office program by adding custom commands and specialized features. COM add-ins can run in one or more Office programs. COM add-ins use the file name extension .dll or .exe.) add-in (add-in: A supplemental program that adds custom commands or custom features to Microsoft Office.) because most COM add-ins include an install and uninstall program that loads or unloads the add-in for you.

1. If you have already added the COM Add-Ins command to the Tools menu, skip to Step 6.
2. On the Tools menu, click Customize, and then click the Commands tab.
3. In the Categories box, click Tools.
4. Drag COM Add-Ins from the Commands box over the Tools menu. When the Tools menu displays the menu commands, point to the location where you want the COM Add-Ins command to appear on the menu, and then release the mouse button.
5. Click Close.
6. On the Tools menu, click COM Add-Ins and do any of the following:

   • To load an add-in, select the check box next to the add-in name in the Add-Ins available list. If the add-in you want isn't in the Add-Ins available list, click Add, locate the add-in, and then click OK.

   • To unload an add-in from memory but keep its name in the list, clear the check box next to the add-in name.

   • To remove an add-in from the list and also from the list of registered add-ins in the registry file, select its name, and then click Remove.

Note  Unloading or removing an add-in doesn't remove it from your computer.