Some files, such as the MySQL configuration file on Linux have an extension of CNF. Unfortunately, in Windows, this is associated with SpeedDial, and the extension is always hidden.
1. Goto Control Panel
2. Select Folder Options
3. Select the File Types tab
4. Locate the CNF entry, select it
5. Click the Advanced button
6. Check the Always show extension box
7. Click OK
2. Select Folder Options
3. Select the File Types tab
4. Locate the CNF entry, select it
5. Click the Advanced button
6. Check the Always show extension box
7. Click OK