Hi San,

Am Tue, 17 Dec 2013 05:23:32 -0800 (PST) schrieb San:

But if I use a cell reference for a date, like, Countifs(A2:A200,"=A2", B2:B200.....) where cell A2 contains 01/04/2013, the formula is not working.

with cell reference you have to write "="&A2. For your example try:
=COUNTIFS(A1:A200,"="&A2,B1:B200,"=505",C1:C200, "=87")


Regards
Claus B.
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Win XP PRof SP2 / Vista Ultimate SP2
Office 2003 SP2 /2007 Ultimate SP2