1. From the Windows Mobile Start menu on the mobile device, tap Programs, and then tap Active Sync.
2. Tap Menu, and then tap Options.
3. Tap Microsoft Exchange, and then tap Delete to delete the existing relationship.

To set up Windows Mobile 6

1. On the mobile device, tap Start, tap Programs, and then tap Active Sync.
2. Tap Menu, tap Add Server Source, and then enter red001.mail.microsoftonline.com.
3. Select the This server requires an encrypted (SSL) connection check box, and then tap Next.
4. In User name, enter your Microsoft Online Services e-mail address. In Password, enter your password, select Save Password, and then tap Next. Leave the domain box blank.
5. Select the check boxes for the types of data you want to synchronize, and then tap Finish.
6. Your mobile device starts communicating with Microsoft Online Services.

To set up Windows Phone 7 to connect with Microsoft Online Services

1. Turn on your Windows Phone 7, tap the arrow to go to the App list, and then tap Settings.
2. On the Settings screen, tap email & accounts.
3. On the email & accounts screen, tap add an account.
4. On the add an account screen, tap Outlook.
   Note

   You may have multiple Microsoft Outlook accounts on your Windows Phone 7. To sync other Outlook accounts with your Windows Phone 7, follow these steps for each account.
5. On the Outlook screen, tap the Email address box, and then type the e-mail address you want to sync with your Windows Phone 7. The address should take this form: name@company.com.
6. Tap the Password box, type your password, and then tap sign in.

   The phone begins verifying your settings, and the Outlook screen will reappear with more fields.

7. Tap the Username box, and then type your e-mail address again. Use the complete e-mail address you typed in step 5.
8. Tap sign in.

   The phone continues verifying the account information. If you receive a Verify Certificate message, tap Accept.

9. Tap the advanced button.
10. Tap the Server box, and then type red001.mail.microsoftonline.com
11. Select the check boxes for the types of data you want to synchronize, and then tap Finish.

    The phone starts communicating with Microsoft Online Services.

12. Tap sign in.

    The phone begins verifying the new information. If you receive a Verify Certificate message, tap Accept.

To modify e-mail account settings on a Windows Phone 7

1. Turn on your Windows Phone 7, tap the arrow to go to the App list, and then tap Settings.
2. On the Settings screen, tap email & accounts.
3. On the email & accounts screen, tap Outlook or the account that you want to modify settings for.
4. On the Outlook Settings screen, update the settings you want to change, and then tap the check mark at