Susan Sales Harkins is an IT consultant, specializing in desktop solutions. Previously, she was editor in chief for The Cobb Group, the world's largest publisher of technical journals. Learn how to ...

Excel table formulas shift from cell positions to named columns with #All-style tags, keeping calculations readable when layouts change.

Find historical weather by searching for a city, zip code, or airport code. Include a date for which you would like to see weather history. You can select a range of dates in the results on the next ...