How to make file extensions show in Microsoft Windows

1.       Right-click on the Start button and then click, “Open Windows Explorer”.

2.       From the Menu bar, click Tools and then click Folder Options.  (If the Menu bar is not displayed, press the ALT key to display the Menu bar.)

3.       Click the View tab in the Folder Options window .

4.       Deselect “Hide extensions for known file types”.

5.       Click OK.