Sync contacts between Microsoft Outlook and countless other apps

Microsoft Outlook is the most common groupware software to manage calendars, contacts, notes, and emails. It can send and receive emails very well as a service for Windows or macOS as an app for Android and iOS. Microsoft Outlook lets you get everything done efficiently with calendar events popping up where they need to be and quick access to the conversations that matter most in your inbox. The mobile apps make it easy to view your schedule at a glance on any device no matter where you are: on your phone while running errands with friends, from home if you forgot to plug in your phone charger before leaving work, or even solo from an airport gate when boarding a flight out of town!