The correct answer is Contacts. Microsoft Outlook is a personal information manager software system from Microsoft, available as a part of the Microsoft Office suite.Though primarily an email client, Outlook also includes such functions as calendaring, task managing, contact managing, note-taking, journal logging and web browsing.In outlook, the Contacts tools allows you to manage business and personal details by recording the names, addresses, telephone numbers and email details of people such as colleagues, customers, suppliers, friends and relatives.?Additional InformationNotes: Notes are electronic identical of paper sticky notes used to note down ideas, questions, reminders etc. You can open these notes on screen while working as its stores all that data which you need later, such as text or direction you want to reiterate in other documents.Calendar: Calendar is the calendar and scheduling component of Outlook that is fully integrated with email, contacts, and other features.Mail: Importing from other email clients Outlook mobile supports a large number of different e-mail services and platforms, including Exchange, iCloud, GMail.