How-To Geek on MSN

Excel's UNIQUE function can't skip columns—unless you use this trick

Nest CHOOSECOLS inside UNIQUE to extract non-adjacent columns, and use INDIRECT for interactive header dropdowns.
PCMag on MSN

These 47 expert Excel tricks will transform you into a power user

Microsoft's spreadsheet program can do way more than you might imagine. These are the hacks and tricks you need to know.