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This Post explains how to review and make changes to your Outlook Mobile Service account. Changes might occur if you change your account name as it appears in Outlook or your mobile service password, or when you want to further customize your account configuration.
Change the name of your Outlook Mobile Service account
1. On the Tools menu, click Account Settings.
2. Select the Outlook Mobile Service account that you want to change, and then click Change.
3. Click More Settings.
4. Under Account Name, type the name that you want.
Change the password for your Outlook Mobile Service account
To help keep your system secure, it is a good practice to change your password regularly.
Use strong passwords that combine uppercase and lowercase letters, numbers, and symbols. Weak passwords don't mix these elements. Strong password: Y6dh!et5. Weak password: House27. Passwords should be 8 or more characters in length. A pass phrase that uses 14 or more characters is better. For more information, see Outlook Support
It is critical that you remember your password. If you forget your password, Microsoft cannot retrieve it. Store the passwords that you write down in a secure place away from the...

Some features in Outlook require you to use a Microsoft Exchange account. Exchange is an e-mail-based collaborative communications server for businesses. Licenses for Exchange can be purchased from Microsoft and its resellers. Exchange Services Provide Online Outlook Support and Email Support for the Outlook.
If your organization uses Exchange, but you do not know whether you have an account or how to use it, you must contact your organization's Help desk or network administrator for assistance.
Home users typically do not have an Exchange account; instead they use a POP3 e-mail account with an Internet service provider (ISP) (ISP: A business that provides access to the Internet for such things as electronic mail, chat rooms, or use of the World Wide Web. Some ISPs are multinational, offering access in many locations, while others are limited to a specific region.) or use a Web-based e-mail service, such as Windows Live Mail. If you use a POP3 (POP3: A common protocol that is used to retrieve e-mail messages from an Internet e-mail server.) e-mail account, your ISP can provide you with your specific account information. People without Exchange accounts cannot use the features in Outlook that require Exchange.
The Help...

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