Check file extensions for XP & Windows 7.
For XP users:
- Open My Computer> Go to Tools tab> Folder Options> View tab.
- Unchecked 'Hide extensions for known file types'.
- Click Apply & then Okay.
For Windows 7 users:
- Open Folder Options by clicking the Start button , clicking Control Panel, clicking Appearance and Personalization, clicking Folder Options> then go to View tab.
- Unchecked 'Hide extensions for known file types'.
- Click Apply & then Okay.
Note: For hiding, select 'Hide extensions for known file types'. Click Apply & then Okay.
Thank you for your comment.