Hey there!

To display boolean worksheet values as "Y" and "N" without the use of conditional formatting, macros or functions, you can follow these steps:

1. Select the cell or range of cells that contain the boolean values you want to format.
2. Right-click on the selected cells and choose "Format Cells" from the context menu.
3. In the "Format Cells" dialog box, select the "Custom" category.
4. In the "Type" field, enter the following custom format:
   
   
   Formula:

   [=TRUE]"Y";[=FALSE]"N"; 

5. Click "OK" to apply the custom format to the selected cells.

That's it! Now your boolean values will be displayed as "Y" and "N" according to their respective values.