Overview
Microsoft Outlook is a personal information manager and email client developed by Microsoft. It is commonly bundled with the Microsoft Office suite and is available as a desktop application, as part of online services, and as mobile apps. Outlook combines email, calendar, contacts and task management into a single interface that aims to support everyday communication and scheduling needs.
Key features
Outlook includes capabilities useful for both individuals and organizations:
- Integrated email with support for multiple accounts and common protocols such as Exchange, IMAP and POP.
- Calendar and scheduling with meeting invitations, reminders and shared calendars for teams.
- Contact management, task lists and note-taking, often presented alongside email for quick reference.
- Advanced organization tools including search, rules, message filters, archiving and a system for add-ins and automation.
History and development
First released decades ago, Outlook has evolved from a basic mail client into a platform that closely integrates with server products and cloud services. Its integration with Microsoft Exchange helped establish it in many corporate environments, while later releases expanded web and mobile access. Microsoft also operates web-based and consumer services that share the Outlook name but differ in deployment and features.
Uses and importance
Individuals use Outlook to manage daily communication, appointments and contacts, while organizations commonly rely on it for corporate email, calendaring and collaboration. Add-ins, templates and rule-based automation let users tailor Outlook to specific workflows, connecting it with other productivity tools and services.
Notable distinctions
Outlook the desktop application, the web-based Outlook interface and the consumer Outlook.com service are related but separate offerings that share a brand and design principles. For official product details and licensing information see product information and the broader suite overview at Microsoft Office.