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I've been having the same problem. I've been using the support feature in the app haven't been any help yet. I'm the admin of my org and none of the settings have changed for my login. Previously when used this app and added an account it would ask me if I wanted to stay logged in. I've deleted everything, cleared cache and app data, uninstalled everything, and I've never seen that option again when I add my account again. When ever I login I see a bunch of screens pop-up and they disappear and I have no idea what it's doing.
Using Outlook for Android for personal email and calendar management
Locked Question. This question was migrated from the Microsoft Support Community. You can vote on whether it's helpful, but you can't add comments or replies or follow the question.
Yes, I registered my phone in the Microsoft Authenticator app for android and that has seemed to fix it.
Had the same issue and it was driving me crazy. Remembered the old Android app fix for a lot of weird app issues. Seems to often be the fix for MS apps that play up.
in Android settings, go to Apps.
find the problematic app and open its information
force stop the app
clear cache and data
open app again
et voila.....all fixed.
Outlook and Onedrive have been running since early this afternoon without prompting for signin.
My "fix" was to uninstall Outlook and install another email program called Aquamail. That program has had *zero* problem staying connected to my o365 mailboxes and hasn't had to reprompt for credentials.
I have no idea what is wrong with Outlook for Android, but sorely disappointed.
Hi vader80,
Greeting, glad to reply, according to your description, you are the office 365 account. If so, regarding to set up Outlook for Android, it requires the Intune Company Portal app. and you can install it from the Google Play Store. Here is the article for your reference: Set up email in the Outlook for Android app
If the issue still exists, I know you had already contact the support, still strongly recommend that keep continue contacting the dedicated support team by Get in-app help for Outlook for iOS and Android which is dedicated to handling Outlook for Android related issues, you'll receive a notification once the support team get back to you, you can easily communicate with them there.
To solve your problem immediately, please keep continue contacting the support insistently. Thank for your understanding and time!
Best regards,
BS II
Something appears to have broken recently when utilizing multiple Microsoft applications on Android along with the Microsoft Authenticator app. The authenticator app is attempting to perform SSO functions between Microsoft Apps. When you switch to a third party mail application, it eliminates the ability for Authenticator to perform SSO and authentication brokering for mail, and the conflict no longer exists.
So far, the fix appears to be:
A) Remove Microsoft Authenticator. Utilize OTP codes, SMS messages, Phone Calls, or Email for MFA if needed.
OR
B) Remove additional Microsoft applications. The issue occurs only when multiple Microsoft applications are used. Authenticator attempts to share the log on session between all Microsoft apps, and when Outlook, Teams, Office applications, etc on Android go to refresh their access token, they balk.
OR
C) Register your device with your organizations Azure AD. Do this from the Settings > Device Registration item in the Microsoft Authenticator app.
The issue never occurred previously, despite running multiple applications for months. A recent update to Microsoft applications on Android started the issue, though I'm not sure at this point if the issue is with Authenitcator itself or if the other Microsoft apps need updates to work better with Authenticator. Outlook has been updated several times since Authenticator, but other apps like Teams are still behind. Hopefully some app updates come out soon that make these work seamlessly again.