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Chip Pearson has instructions for using Data Validation to prevent
duplicate entries: http://www.cpearson.com/excel/NoDupEntry.htm waldo wrote: I am entering numbers in a column and it is important that I get alerted to any duplication of a previous number. How do I do this? -- Debra Dalgleish Excel FAQ, Tips & Book List http://www.contextures.com/tiptech.html |
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