You've built a perfect Excel table, but the moment you try to use its headers in a drop-down menu, everything breaks. Excel's Data Validation is notoriously picky with tables, but there's a clever ...
Claire Boyte-White is the lead writer for NapkinFinance.com, co-author of I Am Net Worthy, and an Investopedia contributor. Claire's expertise lies in corporate finance & accounting, mutual funds, ...