Tech tips: How to Make file extensions visible in Windows 7
Here is a tip to help you easily made hiding file extensions:
(See previous post for Windows 7 tip that is how to Restore the Menu Bar to Windows Explorer)
Step 1: Open “Computer” and press the “Alt” key to open the menu bar


Step 2: Click “Tools“
Step 3: Select “Folder Options“
Step 4: Select the “View” tab
Step 5: In the “Advanced settings”list, find “Hide File extensions for Known File Types” and uncheck it
Step 6: Click “OK“.
Enjoy!