- i used COUNTIF which is NB SI(A2_$A$555;A1)which takes plage and counts all... - The Diigo Meta page

• 05 Apr 08
  

  eelirac

  Education General ms excel Excel Detail

• 04 Nov 07
  

  10base Tom
  • November 6, 2003. Last night on Craig Crossman's Computer America radio show, Joe from Boston had a question. I have a column of invoice numbers. How can I use Excel to mark the duplicates?" I suggested using conditional formats and the COUNTIF formula. Here are the details on how to make that work.
• 14 Feb 06
  

  E F

  Excel

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