From the Excel Options window select Add-ins, at the bottom of that window select Excel Add-ins from the Manage drop-down, then click Go… Untick the box next to the name of the Add-in to deactivate.

Excel add-ins These typically include Excel add-in (.xlam), Excel 97-2003 add-in (.xla), or DLL add-in (.xll) files or they are automation add-ins. Some Excel add-ins, such as Solver and the Analysis ToolPak, may be available after you install Excel or Mi

3. In the Registry Editor dialog box, you need to open the Excel Addins folder as below path shown: HKEY_CURRENT_USER\Software\Microsoft\Office\Excel\Addins. 4. Then expand the Addins folder, and select the loader folder with the name of the add-in you ne