I'm assuming dublets means duplicates? If so, look here for some ideas:
http://www.cpearson.com/excel/duplicat.htm

Dave
--
A hint to posters: Specific, detailed questions are more likely to be
answered than questions that provide no detail about your problem.


"Susanne" wrote:

I have a list of 5.000 records (all listed in column A and containing 8
figures) that I have to check for dublets. Any ideas of how to handle this.
Thinking to use the lookup somehow, or..??

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Susanne