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![]() I'm currently checking for duplicate entries in a sheet by using data validation - =ISNA(VLOOKUP($C53,RANGE1,1,FALSE)), so that if a duplicate is entered, it brings up an error message. What I want to do is extend this to include other ranges i.e. =ISNA(VLOOKUP($C53,RANGE1 RANGE2 RANGE3 etc,1,FALSE)) Is this possible? And if so, how? I've tried commas, semicolons, colons, but nothing seems to work. -- madbloke ------------------------------------------------------------------------ madbloke's Profile: http://www.excelforum.com/member.php...o&userid=14422 View this thread: http://www.excelforum.com/showthread...hreadid=545836 |
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