Office 365 and Two-Step Login
Frequently Asked Questions (FAQ) about Two-Step Login for Office 365
This article applies to: Two-Step Login
How Will Two-Step Login Work with Office 365?
Two-Step Login for Office 365 provides an additional layer of authentication to your email and Office 365 data.
Can I Choose which Office 365 Applications Use Two-Step Login?
No, once you opt in or are required to use it, Two-Step Login will be required for all Office 365 applications.
Which Clients Can I Use with Office 365 and Two-Step Login?
Two-Step Login for Office 365 works with:
- Outlook and other Microsoft Office applications on:
- Apple’s Mail and Calendar apps in:
- MacOS 10.14 (Mojave) and later
- iOS 11 and later
- Outlook on the Web (outlook.cornell.edu).
Can I Use Two-Step Login for Office 365 on the Web Only?
No. Limiting Two-Step Login to Office 365 on the web would allow an attacker to bypass Two-Step Login's extra protection simply by using a desktop or mobile client instead of web access.