Data Validation With Date Range

D

DShaver

I have two cells for entering a date, "Start Date" and "End Date". I have
used Data Validation/Date to restrict both cells to only allow entry of
dates, and have also set "End Date" to be >= start date to prevent a user
from entering an end date that is before the start date.

Is there a way to also restrict the "End Date" cell to only allow a user to
enter a value if there is a value in "Start Date"? Basically trying to force
the user to select the "Start Date" first.

Any suggestions would be much appreciated!
 
T

Teethless mama

A2: Start Date, B2: End Date

Data Validation on B2: =AND(COUNT(A2:B2)=2,B2>=A2)
 

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