Excel-filter: I've got two sheets of data (Firstname, e-mail, lastname, customer #). I'd like to look for and remove any duplicate entries. More inside. [more inside]
posted by GilloD on Nov 14, 2008 - 13 answers

Excel 2007 - Is there a way to remove ONLY a duplicate row leaving the first unique entry? [more inside]
posted by Sandor Clegane on Apr 16, 2008 - 5 answers

In MS Excel, how do I remove duplicates, clean up a document and merge two files together? [more inside]
posted by perpetualstroll on Feb 7, 2007 - 6 answers

Microsoft Excel. Is it possible to insert some "alarm" function that will notify me if I insert duplicate text in later cells? [more inside]
posted by Amizu on Dec 7, 2005 - 4 answers