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The Microsoft Support home page is your support portal for Microsoft products. Download updates and find top issues, error messages, and troubleshooting tips for Windows XP, Windows Vista, Windows 7, Office 2010, the 2007 Microsoft Office system, and...

Try or buy Office 2010, view product information, get help and training, explore templates, images, and downloads.

wikiHow is a wiki based collaboration to build the world’s largest, highest quality how to manual. Our multilingual how to manual has free step-by-step instructions on how to do all types of things.

Want to learn Excel quickly? Looking for a fully illustrated Excel tutorial? Using Excel 2010 or 2007? Looking for easy examples?

Learn more about North Carolina State University, located in Raleigh, N.C., and consistently recognized as one of the nation’s top public universities.

YouTube is a place to discover, watch, upload and share videos.

Peltier Technical Services develops commercial and custom Excel add-ins for data analysis, charting, and reporting. This site has extensive tutorials and free add-ins.

Over two thousand step-by-step tutorials covering all tech topics.

Demystifying statistics and O.R for learners and teachers.

Excel templates, calendars, calculators, spreadsheets, and other Excel solutions for business, home, and educational use.