How to Remove User-Defined Functions from Function Wizard

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Sample Function That Will Not Be Displayed in Function Wizard

1. On the File menu, click New to open a new workbook.
2. In Microsoft Excel 97 or later, point to Macro on the Tools menu, and then click Visual Basic Editor. In Excel version 7.0 or earlier, point to Macro on the Insert menu, and then click Module. Then click Module on the Insert menu.
3. Type the following code:

   'Statement needed to keep function out of Function Wizard
         Option Private Module
   
         'Sample function
         Function AddTwoNumbers(Number1, Number2)
   
            AddTwoNumbers = Number1 + Number2
   
         End Function
   						

4. On Sheet1, click Function on the Insert menu, and then click All in the Function Category.

Note that AddTwoNumbers is not listed as a function Name in Step 1 of the Function Wizard.

If you remove the "Option Private Module" line from the module sheet, go back to Sheet1, and then click Function on the Insert menu, the AddTwoNumbers function is listed.

Note that when you add "Option Private Module" to the module sheet, functions and subroutines on that sheet are unavailable to other workbooks.