DUO Two-Factor Authentication

Using Duo with Email

 

Using Duo in Outlook Web with YubiKey:

  1. Go to  https://outlook.office365.com 
  2. Enter your access.caltech username in the form  username@caltech.edu  (e.g. jsmith@caltech.edu) and hit enter/return (note that you do not need to provide your password on this page)
  3. You will be redirected to the Caltech Office 365 login page
  4. Login with your access.caltech username in the form  username@caltech.edu  (e.g. jsmith@caltech.edu) and password
  5. When the Duo prompt appears, choose the option to "Enter a Passcode" and press the YubiKey button:
    • Choose "Enter a Passcode"
    • Press the YubiKey button:

 

Using Duo in Outlook Web with Duo App:

  1. Go to  https://outlook.office365.com 
  2. Enter your access.caltech username in the form  username@caltech.edu  (e.g. jsmith@caltech.edu) and hit enter/return (note that you do not need to provide your password on this page)
  3. You will be redirected to the Caltech Office 365 login page
  4. Login with your access.caltech username in the form  username@caltech.edu  (e.g. jsmith@caltech.edu) and password
  5. When the Duo prompt appears, choose to either "Send Me a Push" or "Enter a Passcode"
  6. If you chose "Send me a push", approve the request:
    • ​From your iPhone lock screen, approve:

       
    • From your iPhone Duo app, approve:

       
    • From your Android, approve:

       
  7. ​If you chose send "Enter a Passcode", open the Duo app and enter the passcode provided:

 

Using Duo in Email Client with YubiKey

First follow the Office 365 Configuration Guides, then continue to Step 5.

 

Using Duo in Email Client with Duo App

First follow the Office 365 Configuration Guides, then continue to Step 5.

DUO Two-Factor Authentication