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Thousands of file extensions with detailed information about each file type, including a list of programs that open the files.

Find which Windows software can open a file with specified extension

Forums, code samples, and other resources for programmers developing with Microsoft Outlook

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...

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FILExt.com is the file extension source. Here you

The Windows Secrets Newsletter brings you essential tricks of running Microsoft Windows XP, Vista, Internet Explorer, Firefox, Windows Update, and more — weekly, free.

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Having problems opening a file? We will help you find products that can open, view or play your files.

Thanks to File-Extension.org, you will find out what program you should use to open the files with unknown extensions. In addition, you will find here information about file conversion.

OpenFileGuide.com is a huge file extension database providing professional solutions to open and fix your files.

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