How do I create an error message in microsoft excel?
I am creating my own database and would like to know how to create an error message, for example if they book an event for a date that has already passed, I would like to create an error message, how do I go about this? Thank you.
=IF(B1
column A contains the scheduled date
column B contains "=NOW()" without the quotes
column C contains the formula above
=now() puts the current date and time on the cell.
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