Windows Messaging Profile is a set of information required by Microsoft Windows messaging applications such as Microsoft Outlook. The Windows Messaging Profile identifies
When you install Outlook, a profile is automatically created consisting of the Outlook Address Book and Personal Folders store. You must specify additional information such as the information service to be used before you can use the profile.
To facilitate deployment of Outlook in your Exchange organization, you can automatically generate profiles for your Exchange users by using the exchange.prf file from the Microsoft Office 97 Resource Kit and a custom outlook.prf file for each user.