Paul McFedries is a full-time technical author who has worked with computers in one form or another since 1975. He is the author of more than 90 computer books that have sold more than 4 million copies worldwide. His recent Office-related titles include My Office 2016, My Office 2016 for Mac, and Formulas and Functions for Microsoft Excel 2016. His other titles include Windows 10 In Depth, (with Brian Knittel), PCs for Grownups, and Fixing Your Computer Absolute Beginner's Guide. Paul is also the proprietor of Word Spy (www.wordspy.com) a website devoted to tracking new words and phrases as they enter the English language. Please feel free to drop by Paul's personal website at www.mcfedries.com or follow him on Twitter at twitter.com/paulmcf and twitter.com/wordspy.