Cell Data Validation

one_more_cave_dweller

Board Regular
Joined
Sep 27, 2004
Messages
118
Is it possible to have validation that will not let you enter data in a cell if another cell is not equal to a specific value? For example you couldn't enter data in cell A5 if A1 said January.

Thanks :pray:
 

Excel Facts

Copy formula down without changing references
If you have =SUM(F2:F49) in F50; type Alt+' in F51 to copy =SUM(F2:F49) to F51, leaving the formula in edit mode. Change SUM to COUNT.

Tazguy37

MrExcel MVP
Joined
May 28, 2004
Messages
4,237
Use Data, Validation, Allow: Custom, and for the formula, enter:
=A1<>"January"

Hope that helps!
 

Tazguy37

MrExcel MVP
Joined
May 28, 2004
Messages
4,237
Like this:
=AND(A1<>"January",A1<>"February")

Add more arguments as necessary.
 

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