There are a few ways to delete contact accounts on your computer. You can use theDelete Account command in the Windows Control Panel, or you can use theDelete All Contact Accounts command in the Mac OS X System Preferences. If you use the Delete Account command in the Windows Control Panel, you must first create a new account on your computer. To do this, open the Windows Control Panel and click on the Add/Remove Programs button. Then, click on the Edit button and enter your name and password for your new account. If you use the Delete All Contact Accounts command in Mac OS X System Preferences, you can delete all of your contact accounts at once by selecting them from the list of accounts that appear when you open System Preferences.