answer:I just got this from Googling, so there’s no personal guarantee of it working: 1. From the Tools menu, select Customize… 2. In the Customize dialog box click the Keyboard… button 3. The Customize Keyboard dialog box appears 4. Click Reset All… (The button will be shaded out if you have not made any keyboard customizations) 5. Click Yes in the pop up box 6. Click Close 7. Click Close on the Customize dialog box