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Show known file extensions

Updated: April 14, 2022
Published: December 25, 2007
Quick overview:

The standard Vista settings normally hide known file extensions. However, this can be very dangerous, especially for unknown files. We will show you how to activate this option!

[By Raimund Machacek]

Proceed as follows to bring more clarity to the Explorer and to display file extensions:

Open the computer browser by double-clicking on the computer icon on the desktop.

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Now press the "Old"-button and now click on "Extras->Folder options->View". Now deactivate the item "Hide extensions for known file types".

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