I don’t want my Excel Add-In to return an array (instead I need a UDF to change other cells)

It is actually possible albeit complex. I am reposting this piece of magic from Kevin Jones aka Zorvek as it sits behind the EE Paywall (link attached if anyone has access) While Excel strictly forbids a UDF from changing any cell, worksheet, or workbook properties, there is a way to effect such changes when a … Read more