Download the Duo Mobile App

We recommend mobile phone users install the Duo Mobile App prior to setting up the authentication methods.

Device Requirements

If you read your Carleton email on any of your devices, these are the requirements for each device:

You need to install the MS Outlook app from the Google Play store.

Depending on what iOS version you are on, your email app may not support modern authentication.  To check what version you have go tap Settings ->General->About (see Version).

  • iOS 11.4: you can use the built-in mail app
  • iOS 11.4: and under – not compatible, access Carleton email via

To download the latest update on your phone tap Settings ->General->Software Update.

Mac and PC
Use Outlook 2016 or access Carleton email via

Access Carleton email via

Fore more details, please refer to our Preparing for Duo handout.

 Duo only Works with North American phone numbers

You will only be able to use North American phone numbers with your CU DUO configuration.