Excel formula: Multiple cells have same value

Generic formula

=COUNTIF(rng,"<>value")=0

Summary

To confirm that a range of cells all have the same value, you can use a formula based on the COUNTIF function. In the example shown, the formula in C9 is:

=COUNTIF(C5:C8,"<>ok")=0

Note: this formula is not case-sensitive, you can find a case-sensitive formula here.

Explanation

This formula relies on the standard behavior of the COUNTIF function. The range is C5:C8, the criteria is provided as not equals OK:

=COUNTIF(C5:C8,"<>ok")

The COUNTIF then returns a count of any cells that do not contain "OK" which is compared to zero. If the count is zero, the formula returns TRUE. If the count is anything but zero, the formula returns FALSE.

Ignore empty cells

To ignore empty cells, you can use a more generic version of the formula:

=COUNTIF(range,value)=COUNTA(range)

This formula generates a count of all matching values, and compares that count to a count of all non-empty cells.

Author

Dave Bruns

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Multiple cells have same value case sensitive

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All cells in range are blank

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Excel COUNTIF Function

COUNTIF is an Excel function to count cells in a range that meet a single condition. COUNTIF can be used to count cells that contain dates, numbers, and text. The criteria used in COUNTIF supports logical...

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