
Assuming a1000 is required, the following result was found.
I tried a fair few solutions that didn't work and then found this hidden away in a forum: Quick Count =INT(SUMPRODUCT((A3:A1000"")/COUNTIF(A3:A1000,A3:A1000&""))) This returns the number of unique values in the range A3 to A1000 and excludes the...

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0xb038962F3809b425D661EF5D22294Cf45E02FebF