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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.

A Excel forum covering all aspects of Microsoft Excel acting as a web gateway with the finest Micorsoft Excel community newsgroups

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...

This is an Excel/VBA discussion forum powered by vBulletin. To find out about vBulletin, go to http://www.vbulletin.com/ .

Microsoft Excel Consulting, Online Classes, video tutorials, free macros, and walkthroughs for beginners and advanced levels. Also includes helpful tips, tricks, code, and a forum.

Excel Solver upgrades and Solver SDK for linear programming, nonlinear optimization, genetic algorithms, simulation optimization in Excel, C#, C++, Java, MATLAB

MrExcel is your one stop for Excel tips and solutions. MrExcel offers help for excel including seminars and other training.

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.

Microsoft Excel® Site. Excel templates & site for anything Microsoft Excel related. We have Excel templates, training, add-ins, help, software & consultancy

This is a Microsoft Office Visual Basic for Applications Discussion Forum and Code Center