Moving Custom Formats to Number Formatting Categories

Neil knows how to create custom formats in Excel. He has created a custom format that displays dates exactly as he wants them displayed and he would like this custom format to show up in the Date category (Number tab of the Format Cells dialog) rather than being left in the Custom category. Neil wonders if there is a way to do this.

The short answer is that no, there is no way to do this. The formats that appear in the non-custom categories are hard-coded by Excel. The only thing you could do to make the application of the custom formats faster (if that is your goal) is to use a macro that applies the format. The following is an example of a macro that applies a custom format to whatever cells are selected:

Sub MyNumberFormat()
    Selection.NumberFormat = "_(* #,##0_);_(* (#,##0);_(* ""-""??_);_(@_)"
End Sub

You can assign the macro to a shortcut key or to the Quick Access Toolbar, thereby making it very easy to apply.