Plan user profiles in SharePoint Server 2013

A user profile is a collection of properties that describes a single user, and also the policies and other settings associated with each property. The user who is described by a profile is represented by a unique identifier in the profile, and the remaining properties provide information about that user, such as the user's phone numbers, manager, office number, job title, and so on. The set of user profiles for a SharePoint Server 2013 farm are stored in the profiles database associated with a User Profile service application

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