How to Reveal Extensions in Windows
If you want to see the extensions at the end of files names on a Windows computer
that hides the names by default,
- Open any folder and from the "Tools" menu choose "Folder
Options."
- In the Folder Options dialog box, click the "View" tab at the
top.
- Uncheck the box in front of "Hide extensions for know file types."
- Click "Apply."
- If you want all folders on your computer to show the extensions, also click
"Apply to All Folders."
- Click "OK."
