To create a custom function in Excel VBA, you need to enable the Developer tab and go to the Visual Basic panel. Next, right-click on Microsoft Excel Objects > Insert > Module and enter the code.

You will create a VBA Sub in that application that finds and closes hidden Excel applications. Click "Insert" and choose "Module" to add a new module to the project.

Prerequisites Go to Excel Options > Trust Management > Macro Settings and make sure the following option is enabled: Trust access to the VBA project object model. The code also requires the below ...