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Home > Help & Support > Knowledge Base > Security > 2FA FAQs > Which operating system should my device be running for 2FA for Office 365?

Which operating system should my device be running for 2FA for Office 365?

The chart below displays which operating system your current devices should be running.

Access MethodSoftwareOperating SystemITS Supported
Apple iOSOutlook Mobile

Native Mail App
iOS 12 or higher

iOS 11 or higher
Yes

No
AndroidOutlook Mobile

Native Mail App
Android 5.0 or higher (Lollipop)

Not compatible
Yes

No
PC DesktopOutlook Desktop

Thunderbird
Office 2016 or higher

Not compatible
Yes

No
Mac DesktopOutlook Desktop

Mac Mail
Office 2016 or higher

OSX 10.14 Mojave
Yes

No

Note: The ITS Support Center does not support Thunderbird, Gmail, or native mail apps for both Apple and Android devices.

Last modified: May 7, 2021

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