Click the Start Button.
For Windows 7, type "Folder Options".
For Windows 10, type "File Explorer Options". Click the icon to launch. Click the View tab, then scroll down to "Hide extensions for known file types". Uncheck the box, and click OK.
Click the Start Button.
For Windows 7, type "Folder Options".
For Windows 10, type "File Explorer Options". Click the icon to launch. Click the View tab, then scroll down to "Hide extensions for known file types". Uncheck the box, and click OK.
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