Display a message if data is put in to a specific column

[Brian Smith]

Is there anything I can do to display a message to users if data is input to
a specific column in a spreadsheet, like a pop up window?

 

[Ron Coderre]

See if Data Validation will work for you....

Check this website for instructions on displaying a pop-up window to assist
users with input:
http://www.contextures.com/xlDataVal04.html

Does that help?
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Regards,
Ron

XL2002, WinXP