365 questions with Outlook | Outlook for mobile | Outlook for iOS | For education tags

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Error message: unable to complete authentication flow

Keep getting error message …”unable to complete authentication flow”

Outlook | Outlook for mobile | Outlook for iOS | For education
asked 2026-07-30T15:50:18.69+00:00
Siembida, Lauren (OCFS) 0 Reputation points
answered 2026-07-30T17:13:15.33+00:00
Chris Duong 10,620 Reputation points Microsoft External Staff Moderator
1 answer

My authenticator won’t let me sign in without authenticating… but i can’t access the authenticator

I am going to lose my mind. First off let me say Microsoft has the absolute worst customer support i’ve ever seen in my life. this whole self help read some articles set up is so frustrating and pointless. GET ME ON THE PHONE WITH A HUMAN!!!! I am trying…

Outlook | Outlook for mobile | Outlook for iOS | For education
asked 2026-07-28T23:34:07.09+00:00
Emma Holbrook 0 Reputation points
answered 2026-07-28T23:58:36.73+00:00
Sophie N 18,170 Reputation points Microsoft External Staff Moderator
1 answer

Comment se reconnecter à son application Outlook sur téléphone

Bonjour, J'ai un compte Outlook "scolaire" Université de Liège qui est activer sur mon ordinateur. J'aimerais savoir comment je peut transférée cette autorisation d'accès sur mon téléphone. L'application Authentificator ne fonctionne pas et…

Outlook | Outlook for mobile | Outlook for iOS | For education
asked 2026-07-27T16:35:41.3533333+00:00
Antoine Coline 0 Reputation points
edited the question 2026-07-27T18:47:07.48+00:00
Kristen-L 15,650 Reputation points Microsoft External Staff Moderator
1 answer

new phone and my authenticator app isnt working

I just got the iphone 17 pro max as an upgrade from my iphone 16 plus and I went to log into my authenticator app as normal, but now I do not see the screen to enter the 2 digit code the app gives me. what should i do? And now i cannot get i to any if my…

Outlook | Outlook for mobile | Outlook for iOS | For education
asked 2026-07-21T20:46:10.39+00:00
Whitney, Kathryn 0 Reputation points
answered 2026-07-21T21:13:49.0033333+00:00
Hendrix-C 19,970 Reputation points Microsoft External Staff Moderator
1 answer

Email Disappeared 1 Second After Opening Inbox - Outlook

Hi Microsoft Support, I opened my email inbox about an hour ago through my .edu email account on the outlook app on my phone, and received an important email which may or may not have been intended for me. The email immediately disappeared after opening…

Outlook | Outlook for mobile | Outlook for iOS | For education
asked 2026-07-08T02:04:22.4666667+00:00
Jason L 0 Reputation points
commented 2026-07-11T00:41:24.06+00:00
Sophie N 18,170 Reputation points Microsoft External Staff Moderator
1 answer

Not Receiving Emails

I am an transfer applicant student for [Moderator note: Personally Identifiable Information removed]. I’m using Outlook 365 on iPhone 17 Pro. The app helps for my UC Irvine email. But for some reason I don’t receive any emails. My DSC counselor has sent…

Outlook | Outlook for mobile | Outlook for iOS | For education
asked 2026-06-28T05:35:44.08+00:00
Zoe A. Lee 0 Reputation points
commented 2026-07-05T06:02:48.45+00:00
Jade Ng 14,690 Reputation points Microsoft External Staff Moderator
1 answer

How do I fix this errror UTC Date: 2025-11-28T10:33:34.428Z Client Id: E85A96C5B8C4402A99145995C6ABAD38

UTC Date: 2026-06-25T02:08:48.536Z Client Id: Se Client Version: 20260612016.27 BootResult: configuration Back Filled Errors: Unhandled Rejection: Error: 500:undefined|undefined:undefined err:…

Outlook | Outlook for mobile | Outlook for iOS | For education
asked 2026-06-25T02:24:57.17+00:00
Daryl Gadson 0 Reputation points
commented 2026-06-28T01:55:50.5733333+00:00
Jade Ng 14,690 Reputation points Microsoft External Staff Moderator
1 answer

Outlook login issues

When I log into outlook the app requires me to approve logging in on of which I have no access to it. Even the Authenticator app requires me to approve my log in on outlook the same app that doesn’t allow me to access it.

Outlook | Outlook for mobile | Outlook for iOS | For education
asked 2026-06-11T03:17:52.08+00:00
S Cukwana 5 Reputation points
commented 2026-06-12T01:48:50.1266667+00:00
Jade Ng 14,690 Reputation points Microsoft External Staff Moderator
3 answers

emails dont' go thorugh as "unauthorized addresses but they went through a few days ago. Waht changed and why?

emails I have sent are not not going through because the email addresses are not recognized. How to override this?

Outlook | Outlook for mobile | Outlook for iOS | For education
asked 2026-06-08T01:41:24.5366667+00:00
Jill Vexler 0 Reputation points
commented 2026-06-08T23:20:25.5366667+00:00
Huy-K 13,980 Reputation points Microsoft External Staff Moderator
2 answers

Unable to Sign in onto OneNote on iPad with my school email with Duo Authentication

I am trying to sign into OneNote on my iPad (6th generation) using my school email that requires Duo authentication. I go through the steps of signing into OneNote, am directed to my school's log in widget as usual and do the Duo authentication, but then…

Outlook | Outlook for mobile | Outlook for iOS | For education
asked 2026-05-05T22:25:19.93+00:00
JR 0 Reputation points
answered 2026-05-06T00:19:24.3633333+00:00
Darren-Ng 12,765 Reputation points Microsoft External Staff Moderator
2 answers

Login issues

I got logged out of my outlook account and I don’t know the password nor do I have the phone number anymore or the authentication app is there any way I can recover my account since it was my school email that never logged out usually

Outlook | Outlook for mobile | Outlook for iOS | For education
asked 2026-04-29T01:04:41.98+00:00
Deonte Joplin 0 Reputation points
commented 2026-04-29T23:31:33.0566667+00:00
Sophie N 18,170 Reputation points Microsoft External Staff Moderator
2 answers

Email sent was not received

I was sending an email to someone and I BCC'd another person. It said one email did not receive the email. Does that mean both people did not receive it or only one person did?

Outlook | Outlook for mobile | Outlook for iOS | For education
asked 2026-04-23T01:01:16.52+00:00
Sarah Gorde 0 Reputation points
commented 2026-04-24T05:42:12.57+00:00
Darren-Ng 12,765 Reputation points Microsoft External Staff Moderator
2 answers One of the answers was accepted by the question author.

I can’t log in into my school account

Hello, our school has created email accounts with its custom email format. I was able to login into that account on my iPad in the Outlook app and on my Windows PC as well, but on my iPhone in the Outlook app I cannot log in. Every time I try to login…

Outlook | Outlook for mobile | Outlook for iOS | For education
asked 2025-08-26T19:40:00.2833333+00:00
Tomáš Pospíchal 25 Reputation points
answered 2026-04-22T17:00:47.34+00:00
Ester Salman 0 Reputation points
2 answers

2 needed emails

I have two hospital associated email accounts and need them both in outlook via Authenticator how do I do that

Outlook | Outlook for mobile | Outlook for iOS | For education
asked 2026-04-02T18:35:01.5166667+00:00
Megan Roberts 0 Reputation points
commented 2026-04-17T23:07:34.0466667+00:00
Lia V 8,115 Reputation points Microsoft External Staff Moderator
2 answers

authenticator login

I’m trying to log in on my email on my phone but the app asks for authentication but I’m alert on the app. How do I get passed it so I can log in.

Outlook | Outlook for mobile | Outlook for iOS | For education
asked 2026-04-03T18:25:04.47+00:00
Alfred W 0 Reputation points
answered 2026-04-03T19:15:36.14+00:00
Ryan-N 14,510 Reputation points Microsoft External Staff Moderator
2 answers

Problemi con authenticator

Devi accedere ad outlook per vedere se la mia professoressa ha risposto. Ogni volta che provo ad accedere mi chiede la verificazione tramite Authenticator. Mi dice che mi sarà inviato un codice in Authenticator. Dunque apro l’app Authenticator premo…

Outlook | Outlook for mobile | Outlook for iOS | For education
asked 2026-03-28T17:57:37.27+00:00
Martina Gronchi 0 Reputation points
answered 2026-03-28T18:28:01.1266667+00:00
Chris Duong 10,620 Reputation points Microsoft External Staff Moderator
2 answers

cannot access my microsoft authenticator app, which means I cannot access my outlook email

I got a new phone, and did not know there was a process to make sure I could access my authenticator app on my new phone. So I now have zero access to my authenticator app. How do I fix this?

Outlook | Outlook for mobile | Outlook for iOS | For education
asked 2025-11-01T00:50:42.2+00:00
Morgan, Brittni 0 Reputation points
edited an answer 2026-03-17T07:24:00.23+00:00
Kai-Ex 1,560 Reputation points Microsoft External Staff Moderator
1 answer One of the answers was accepted by the question author.

Request to Recover Missing Emails

My email account was hacked on March 6, but I was able to recover it and secure the account. After regaining access, I noticed that many of my emails are missing. These emails are very important to me because they contain personal files, documents, and…

Outlook | Outlook for mobile | Outlook for iOS | For education
asked 2026-03-11T00:42:06.9666667+00:00
Noura Alayouni 20 Reputation points
commented 2026-03-13T04:29:29.34+00:00
Vivian-HT 17,885 Reputation points Microsoft External Staff Moderator
1 answer

Error code 399287

I'm trying to use SMS as the 2fa to login but I receive error code 399287. What should I do to enable this again?

Outlook | Outlook for mobile | Outlook for iOS | For education
asked 2026-03-03T21:21:47.9933333+00:00
Christen McClain 0 Reputation points
answered 2026-03-03T21:58:19.7166667+00:00
Ruby-N 13,320 Reputation points Microsoft External Staff Moderator
1 answer

one note colour changing to pastel

One note colour changing so i would like to change my colours on one note to pastel i was just wondering how do you do it

Outlook | Outlook for mobile | Outlook for iOS | For education
asked 2026-02-25T02:20:22.2266667+00:00
Irene Mary Joby 0 Reputation points
commented 2026-02-25T23:28:01.8433333+00:00
Jeanie H 11,930 Reputation points Microsoft External Staff Moderator