Track changes of a column's cells

[papplaszlodaniel]

Hi there,


I'm using Excel 2013. I was looking up other questions, but simply couldn't adjust those codes to my case.

Issue:
Column 'BN' contains dates. I would like these dates to be updated automatically whenever I modify a cell in column 'BP'. Format should be yyyy.mm.dd

Additional info:
There's already a running macro on this given sheet (dealing with columns 'A:L'). Can it conflict or corrupt this new macro? Or I should just start the new sub right under this existing one?


Thanks a lot in advance!!

Best, Laszlo