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"Stay connected to your Outlook" feature on Outlook on the Web

for Microsoft 365

Overview

When accessing Outlook on the Web in Microsoft 365 from a PC browser, a screen like the one shown in the image below may appear, prompting you to "Always connect to Outlook." 
Following the instructions on this screen allows you to start using the Outlook Mobile app on any smartphone (iPhone / Android) without signing in to Microsoft 365.
Furthermore, we have confirmed that this feature can be disabled in bulk by the administrator of the Microsoft 365 tenant you are using.

__________2021-07-29_10.20.21.png

 

Reference:
Use a QR code to sign-in to the Outlook mobile apps

 

The following instructions will help you check if the feature is enabled on your Microsoft 365 tenant as well as disable the feature (hide the screen), and disconnect Outlook apps already connected.

 

How to check if the function is enabled

  1.  Connect to Exchange Online via PowerShell.
    Connect to Exchange Online PowerShell

  2. Execute the following command to check the current configuration status.
    Get-OrganizationConfig | Format-Table Name,MobileApp* -Auto

    - If enabled, "MobileAppEducationEnabled" will be displayed as "True".
    mceclip3.png

    - If disabled, "MobileAppEducationEnabled" will be displayed as "False".
    mceclip1.png

  3. If enabled, please proceed to the deactivation procedure below.


How to disable the function (hide the screen)

  1. Connect to Exchange Online via PowerShell.
    Connect to Exchange Online PowerShell

  2. Execute the following command to disable the corresponding function.
    Set-OrganizationConfig -MobileAppEducationEnabled $false
    *This procedure will not disconnect Outlook applications that are already connected with this function. If you want to disconnect the applications, please refer to the "How to disconnect Modern Authentication apps" below.


How to disconnect Modern Authentication apps

By performing the instructions in the HENNGE One Help Center article below, you can forcibly disconnect Modern Authentication apps, including Outlook apps that are already connected.
If there is a possibility that some users access to the Outlook apps via smartphone devices that are not allowed to access with this "Stay connected to your Outlook", please refer to the article.
How to make the Modern Authentication sessions expired for Microsoft 365 applications?

 

[Reference 1] What happens when you set up the Outlook apps on your smartphone with the "Stay connected to your Outlook" feature?

Below are the steps and screenshots for reference when setting up the Outlook app on your smartphone with the "Stay connected to your Outlook" feature.

1. Sign in to Microsoft 365 on your PC browser and open Outlook on the Web.

2. The "Stay connected to your Outlook" screen will appear on the Outlook on the Web.

__________2021-07-29_10.20.21.png

3. After entering the phone number of your smartphone and click on "Get the mobile app", a QR code will be displayed as shown below.
* The email address of the currently logged-in user will be displayed at the top of the screen and when the setup is complete, the Microsoft Outlook app on the smartphone will start connecting with this user.
mceclip0.png

4. Install the Microsoft Outlook app on a smartphone (this can be done from the App Store (iPhone) / Google Play (Android)).

5. launch the Microsoft Outlook app and tap "Sign in using the QR code on your computer" on the "Add Account" page.

Image_from_iOS__22_.png


6. When the QR Code sign-in screen appears, tap "Scan QR Code" to scan the QR Code displayed on the PC browser(the QR Code described in section 3 above). 

Image_from_iOS__22______.png

7. The Microsoft Outlook app will be set up on your smartphone and you will be able to use the Outlook app with the same account that you have logged in to on your PC browser. The Outlook app will be started without Microsoft 365 or HENNGE login on the smartphone.

[Reference 2] How to check the authenticated Outlook app on smartphones (iPhone/Android)

While we cannot confirm connected Outlook apps and devices using the "Always connect to Outlook" feature in Outlook on the Web as explained in this article, it is possible to check the authenticated Outlook mobile app and its user on smartphones (iPhone/Android) at the current time with the following steps:

  1. Create a "Temp" folder at the root of the C:\ drive.

  2. Connect to Exchange Online using PowerShell.

    Connect to Exchange Online PowerShell

  3. Execute the following commands line by line:

    $MobileDevice = Get-MobileDevice -Filter {(DeviceModel -eq "Outlook for iOS and Android")}
    $MobileDevice | Select *, @{n="UserDisplayNameNew";e={$_.Identity.Substring(0,$_.Identity.IndexOf("\"))}} | Export-Csv -Path C:\Temp\OutlookDevice.csv -Encoding UTF8 -NoTypeInformation
  4. A "OutlookDevice.csv" file will be created in the Temp folder at the root of the C:\ drive.

※ The target user will be displayed in the CSV file's [O column] [UserDisplayName] or [AP column] [UserDisplayNameNew] as the user's display name or Alias information.

 

Restrictions and Notes

The screens are subject to change with Microsoft 365's updates.

Related/Reference Materials

Set-OrganizationConfig

Use a QR code to sign-in to the Outlook mobile apps