Office 365 Login

Login Type:
HMS/HSDM Office 365
Office 365 for Harvard
SharePoint - Team and project collaboration and document sharing sites
O365 Outlook Web App* - Office 365 Email & Calendar
OneDrive - Personal space to store and share work documents
Proofpoint* - Spam filtering quarantine and personal settings
Office 365 Apps - Download apps for PC, Mac, and mobile devices
*service not yet available to everyone 
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Get Started

HMS/HSDM colleagues click here to get started.
  • Visit our training site for quick-reference guides and video based tutorials. 

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Stay informed

Outlook Online App Launcher Issue

March 2, 2017

User Impact: Users may be unable to view some app launcher tiles within Outlook on the web.
More info: Affected tiles include SharePoint Online, OneDrive for Business, and Office Online. Exchange Online app launcher tiles are not affected by this issue. Users may go directly to SharePoint or OneDrive to access full App Launcher menu.

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NEW FEATURE! Guest access for Office 365 Groups

September 9, 2016

Now you can share your Office 365 Group's files, calendar, and messages with anyone who has a valid email address! Guest access works for any email account including corporate and consumer domains (such as or If the guest email identity is associated with a Microsoft account (such as Office 365 or accounts, for instance), the user is directed to a sign-in page to identify themselves. If the guest doesn’t have a Microsoft account, they will be directed to a sign-up page to create an account.

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