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Win Reveal file extensions

See Win Show file extensions.

Win Show file extensions

New installations of Windows default to hiding the file extension when file names appear in Explorer windows and Open/Save dialog boxes in applications. However, this important element of the file name can easily be made visible, and it is one of the first things a user should do after installing Windows. See extension.

Windows 8.1 and 10
1. Launch Explorer and select View.
2. Check File name extensions.

Windows XP and 7
1. Launch Explorer and select Tools/Folder Options/View
2. Uncheck Hide extensions for known file types.

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Win RegistryWin Safe Mode
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