For the most part, you will use only one profile, which is called your default profile. When your operating system is installed, this initial profile is created for you. Various reasons exist for creating additional profiles:
To make a backup before major changes to your current profile.
To access multiple Exchange Server accounts. Currently, only one Exchange Server can be accessed per profile.
For use with other e-mail clients, such as Outlook Express.
Sometimes you want to create a profile from an existing profile. This can be accomplished by first copying a profile and then making the necessary changes to the newly created profile. Here are the ...