Duo for Office 365 (O365) is now being offered to all faculty and staff, as well as students who access HIPAA data. Duo 2-factor authentication is the recommended method of helping to prevent unauthorized access to your email, One Drive, SharePoint, and other O365 services.
What you need to know before signing up
Duo for O365 only works with applications that allow for what is called modern authentication. IS&T teams from several departments have tested and approved the following applications for use with Duo:
- Outlook 2016, 2019 and Office 365 ProPlus for Windows, Outlook 2016, 2019 and Office 365 ProPlus for Mac
- Outlook 2013 for Windows (however it requires a registry edit before it will work)
- Outlook app for iOS and Android (phone and tablet)
- Apple Mail app for iOS (default email application for iPhone & iPad)
- Apple Mail for OS X (must be Mac OS 10.14 (Mojave) or higher, your existing account will need to be deleted and re-added after you have signed up for Duo)
- Microsoft Teams
- Microsoft Teams Web app using Chrome or Edge
- Microsoft Office Web Apps for Internet Explorer, Edge, Chrome, Safari and Firefox
- OneDrive for Business Sync Client
If you use any of the applications above, please sign up for Duo for O365.
The following applications will NOT work with Duo for O365, as they do not provide for modern authentication:
- Outlook for PC 2010 and prior
- Outlook 2011 for Mac and all versions of MS Entourage
- Apple Mail for OS X laptop or desktop, versions 10.13 and prior
- Android Mail (native mail app for phone and tablet)
- Thunderbird, Pine, Eurdora, etc.
If you sign up for Duo and try to use any of the above applications, you will not be able to receive your mail at all, the application will fail to connect.
If you have multiple BU O365 email accounts that you manage thru Outlook, we do not recommend switching to Duo at this time. If the only BU O365 email account you have is your primary BU work account, then you should not encounter any issues.
Reminder: If you have Duo linked to your office phone (rather than the Duo app on your mobile device) and you are away from your office, you will be unable to sign on to Office 365 and access your email, One Drive, etc. We recommend that you use the Duo app on a mobile device when signing up for Duo for O365.
Troubleshooting
The most common troubleshooting steps can be found below. Please note that once your account has been enabled for Duo, depending on the application you are using to connect to Office365, you may not get prompted to authenticate with Duo for a few days or longer. This is because the credentials you use to authenticate may already be cached by the application.
If you still have trouble, or do not see the application you are using below, please contact your local IT support or email ithelp@bu.edu.