Mac
- Quit Safari.
- Go to your User Library folder.
- Go to the Preferences folder.
- Delete the “com.apple.Safari.plist” file.
Windows
- Quit Safari.
- Click the Start button (Windows XP users should then click Run).
- Type %appdata% and press Enter.
- Open the Apple Computer folder.
- Open the Preferences folder.
- Delete the “com.apple.Safari.plist” file.
Now, the toolbars should have reset to their defaults when you open Safari.