Installing and Uninstalling TriLookup

3. Loading TriLookup Using Excel’s Add-in Manager

If you have previously unloaded TriLookup but haven’t uninstalled it from your computer, you can load it again using Excel’s add-in manager.

To load TriLookup, please follow the procedure outlined below:

On the Tools menu, click Add-Ins (in Excel 2007 and higher File/Options/Add-Ins tab/Manage Excel Add-Ins [Go...] in the bottom left corner).
In the Add-Ins available box, select the check box next to TriLookup and then click the [OK] button.