Excel Magic Trick 830: No Duplicates Allowed In Row, Data Validation Custom Logic Formula COUNTIF

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Uploaded by on Dec 3, 2011

See how to prevent duplicates in a row using Data Validation Custom Logic Formula with the COUNTIF function and Mixed Cell References.

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Uploader Comments (ExcelIsFun)

  • i just did this on my own its owesome. do yu know other subjects too like access

  • @zaq1xsw271 , I have only basic Access videos. For advanced ones:

    youtube [dot] com/user/LearnAccessByCrystal

  • Nice:)

    

  • @King26901 , Rad! I am glad that you liked it!

  • thanks for your videos man.

  • @hamdaw , you are welcome!

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All Comments (14)

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  • Welcome:)

  • @mysimonhughes , you are welcome!!!

  • @amitkalam , I am glad that the videos help!! Knowledge is not worth much, unless you can share it for free with the world!

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