Try this€¦

=IF(COUNT(C:C)-COUNTIF(C:C,0)=0,"OK","NOT OK")

OR

=IF(COUNTA(C:C)-COUNTIF(C:C,0)=0,"OK","NOT OK")

Remember to Click Yes, if this post helps!

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(Ms-Exl-Learner)
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"Manos" wrote:

Dear all

I have in column A accounts. In column C i have the values. Let's say that
all values should be zero.
The lines are more than 15.000.

I need to search all values in column C and find out if there is a value
different from zero.
I do not want ot use filters. I need a function in order to bring in a cell
the status OK all values are zero. (as check box for the user).
Any clever way to do it.