A name, e-mail, and/or other personal information that enables other users to get a hold of someone. For example, in Microsoft Outlook, users can create contacts of their acquaintances, which allows them to only have to remember a name instead of an e-mail address, phone number, and any other personal information.
See document CH000697 for additional information about creating a contact in Microsoft Outlook.
Additional information about contacting Computer Hope can be found here.