Microsoft Outlook is an email and personal information management program developed by Microsoft. It is part of the Microsoft Office suite and is used for managing emails, contacts, tasks, calendars, and more. It also includes features such as a calendar, task manager, contact manager, note taking, journal,
From Wikipedia
Microsoft Outlook is a personal information manager software system from Microsoft, available as a part of the Microsoft 365 software suite. Primarily popular as an email client for businesses, Outlook also includes functions such as calendaring, task managing, contact managing, note-taking, journal logging, web browsing, and RSS news aggregation.