Microsoft Exchange Online

Get business-class email with Exchange

Get business-class email as either a standalone Exchange Online plan, or as part of an Office 365 Business plan that includes Office and more.



Exchange Online Plan 1

Exchange Online Plan 2

Office 365
Business Premium

Select a plan

Get the new Exchange as a hosted service from Microsoft or as a part of an Office 365 Business Premium plan that includes SharePoint and Skype for Business and more

Looking for Exchange Server? See licensing information


Secure and reliable business-class email with a 50 GB mailbox per user.



All the features of Exchange Online Plan 1, plus unlimited storage, hosted voicemail, and data loss protection.



All the features of Exchange Online Plan 1, plus fully installed Office, 1 TB file storage and sharing, video conferencing, and more.

Large mailboxes

Each user gets 50 GB of mailbox storage and can send messages up to 150 MB in size.

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Outlook support

Users can connect supported versions of Outlook to Exchange Online, so they can use the rich client application they already know.

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Web-based access

For web-client access, Outlook on the web provides a premium browser-based experience that matches the look and feel of the full Outlook client.

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Outlook app

Get more done on your phone and tablet with the Outlook app for iOS and Android.

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Inbox management

Stay focused on the most important messages with Clutter, which applies machine learning to clean up your inbox and set up rules that match the way you work.

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Shared calendar and contacts

Compare calendars to schedule meetings and access collaboration features, including shared calendars, groups, the global address list, external contacts, tasks, conference rooms, and delegation capabilities.

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Security

Every mailbox is protected with premier anti-malware and anti-spam protection via Exchange Online Protection.

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In-Place Archive

Keep your inbox clean by automatically moving old messages to an In-Place Archive.

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In-Place Hold

Use In-Place Hold to preserve deleted and edited mailbox items from users' primary mailboxes and In-Place Archives.

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Unlimited storage

Take advantage of unlimited storage (50 GB of storage in the user's primary mailbox, plus unlimited storage in the user's In-Place Archive).

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Hosted voicemail

Take advantage of hosted Unified Messaging services that provide call answering, a dial-in user interface, and company automated attendant capabilities.

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Data loss prevention (DLP)

Control sensitive business data with built-in DLP policies based on regulatory standards such as PII and PCI, which help to identify, monitor, and protect sensitive data through deep content analysis.

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Fully installed Office applications
Word, Excel, PowerPoint, Outlook, Publisher, and OneNote on up to 5 PCs or Macs per user Tooltip IconPublisher and Access: Windows PC client program and/or features only; cannot be used across devices.

Most plans that do not include the desktop version of Office work with the latest version of Office, Office 2013, and Office 2011 for Mac. Previous versions of Office, such as Office 2010 and Office 2007, may work with Office 365 with reduced functionality. This compatibility with Office does not include the Exchange Online Kiosk or Office 365 Enterprise K1 plans.
Now includes the new Office 2016 apps for your PC and Mac.
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Office on tablets and phones for the fully installed Office experience on up to 5 tablets and 5 phones per

user Learn more about Office 365 for business mobile apps. See the list of devices and apps.

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Online versions of Office including Word, Excel and PowerPoint

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File storage and sharing with 1 TB storage per user

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Unlimited online meetings, IM, and audio, HD video, and web

conferencing Skype for Business is not yet available for Mac. Lync for Mac 2011 is the latest version. Lync for Mac is compatible with Skype for Business Server and Skype for Business Online

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Corporate social network to help employees collaborate across departments and locations

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Work management tools to help teams create plans, organize, assign and collaborate around tasks

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