Authentication failed error on Outlook application on Android device

Question

I am experiencing this same issue of the Outlook application on my Samsung Galaxy (Model SGH-T959V, Firmware Version 2.2.1).  I first encountered the issue when I updated my Hotmail application a couple of weeks ago.  That Hotmail update then provides no other option than to Upgrade to Outlook.  After installing the Outlook application, I sign in using my hotmail email and password.  The next step asks if I will "let this app access your info" at which point I press the Yes button.  Soon after that, I receive a message that "Authentification failed; Authentication was not successful" with a button to "Try Again."  I have tried again multiple times.  I have also tried uninstalling and reinstalling the Outlook application numerous times for the past two weeks and I run into the same result.

Please fix this issue soon or reinstate the previous version of Hotmail in the Play Store since the Hotmail application was working just fine.

I appreciate your time.

Peace be with you.

Original title: Authentication failed; Authentication was not successful

Sincerely,

Joseph Houser 

***Post moved by moderator to appropriate forum category***

Answer 1

Hi DavidWolstencroft,

Thanks for posting your inquiry here in the Microsoft Community forum. I understand your frustration regarding this issue. We apologize for the inconvenience. Please note that this issue is already known to us and our product group is currently looking to it. There's no estimated time of availability on when it will be fixed though. You can check the post of moderator Raymond_M on this thread for the workaround and additional information.

If you have additional clarification regarding this issue, please post back. We'll be more than happy to help you.

Thank you.

Answer 2

Hi Audrey - as David says, we are unable to access the message list view, as we can't log in.

Can you please reinstate the Hotmail app - this worked fine.

Many thanks,

Mike.

Answer 3

Hi Mike,

I understand that you are unable to gather Outlook.com app's log file. This is because of the Authentication failed error, preventing you to proceed at step #2. Since our product specialists are still working on a resolution, we advise that you temporarily log in your account through any of these options:

• Using your phone's default mail app (EAS)
• Your phone's web browser (m.outlook.com)

Moreover, we haven't received any news if Hotmail app will be brought back after being upgraded to Outlook.com. Should you have other concerns or additional information you think might be helpful, feel free to post them here.

Thank you.

Answer 4

Thank you for getting this fixed, it is great that i can now ungroup my messages as well. :-)

Answer 5

I am having the same problem - my account is not being authenticated. So i search the microsoft forum for a solution. Ok, i see a thread seeking a solution to the same problem i am currently having, and the thread has over 20 replies. I was very optimistic.

However, reading through the thread i am very frustrated by the responses from the microsoft moderators. Do you even read the posts? People cannot log in to their accounts with this app!!

On an related issue, i cannot access my outlook mail using the native android client either.