The user is not already using Outlook for iOS and Android. The QR code experience is enabled for the tenant (this experience is enabled by default). The notification is only generated if the following conditions are met: This QR code is a short lived token that can only be redeemed once. They will be able to scan the QR code to log into Outlook on their phone or tablet. If users choose to send themselves an SMS text message to download the app on their mobile device, a QR code will appear on their computer.
These notifications can be managed by the administrator using Exchange PowerShell. In Outlook on the web or other desktop Outlook applications, users may see notifications informing them that they can use Outlook on their mobile device. By scanning a QR code, users can securely authenticate and sign in to Outlook mobile. As the Microsoft 365 administrator, you can enable your users to sign in to Outlook for Android or iOS app on their mobile devices without having to enter their username and password.
