What is Outlook?
Applies To
Outlook for Microsoft 365 Outlook 2024 Outlook 2021 Outlook 2019 Outlook 2016![Your browser does not support video. Install Microsoft Silverlight, Adobe Flash Player, or Internet Explorer 9.](https://cxcs.microsoft.net/static/public/surface-and-devices/neutral/4873755a-8b1e-497e-bc54-101d1e75d3e7/d07c07fd6aabfe12ed716e87301dc3a1a3a7b5b0.png)
Overview
With Outlook on your PC, Mac or mobile device, you can:
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Organize email to let you focus on the messages that matter most.
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Manage and share your calendar to schedule meetings with ease.
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Share files from the cloud so recipients always have the latest version.
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Stay connected and productive wherever you are.