iPhone keeps asking for Outlook password

It seems that since updating to iOS 17.1.1 my iPhone 12 Pro keeps asking for my outlook.com email password. I have deleted and recreated the account and rebooted my iPhone but the issue continues. I also deleted the account and re-recreated it as an exchange account (still using the outlook.com address). No help. Any help is appreciated. This is also happening on my iPad running ipados 17.1.1.


[Re-Titled by Moderator]

iPhone 12 Pro

Posted on Nov 10, 2023 7:39 AM

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Posted on Feb 26, 2024 4:50 PM

After reading the link about basic authentication I found a solution. I removed the account and setup 2 factor authentication for my email account (office 365). Then login using outlook account type NOT MS Exchange account and use MS authenticator app to setup the account on my iphone. Per the apple article basic authentication is being removed for security reasons and rightfully so. This will continue to get worse as apple does not intend to apply a fix for basic authentication but instead make it unsupported.

283 replies

Nov 14, 2023 4:07 PM in response to Bud in PA

And unlike the other accounts, there seems to be no way to update my password on my iPhone. I see the four accounts on the others. I click in the name click on my name again and there’s an opportunity to update the password in settings.


But when I click on the Outlook account under my name, nothing happens. Over the years the location for updating your password or the network settings on the phone or computer has changed multiple times which gets a little confusing but I can see where I can do it right here in the phone for my Gmail accounts but not outlook.

Nov 18, 2023 4:24 PM in response to Kens Ipod

Kens iPod…


I don’t know about that…I haven’t created any ‘app password’ for any of my 8 Hotmail/Outlook accounts, and all is working fine since performing the steps I did, as I outlined on page 14(the page before this) of this topic. What seems most plausible to me is that after installing edge on my iPhone and logging into each Hotmail/Outlook account in the Edge app, the EID or IMEI of my iPhone was added to the Outlook authentication server. I am thinking something in the IOS 17.xx update broke or is masking those numbers from the Microsoft authentication server during the handshake and needs to be initiated again…AND can only be accomplished initially with thru or via a MICROSOFT app. Could it be once Microsoft authenticated the user on the iPhone or iPad it leaves an authentication/identifying ‘cookie’ (for a lack of a better word) on the device…and somehow the iOS 17 update wiped them out? Dunno. But I never set up an ‘app’ password. Wish I could say definitively. Good luck to you and every else dealing with this madness! 👍🙏😇

Dec 29, 2023 8:30 PM in response to Bud in PA

I cannot change my Outlook password on my ios 16 iPhone 13 plus and my password works just fine on my PC. This has never happened before until I just changed my password on my PC where it should just synch on my phone and certaily work when I manually type in the correct one. I just keep getting that annoying message that says I need to sign in. If your going to update your software why isn't this taken care of as this is a game changer on the anger barometer for me!!

Jan 8, 2024 6:52 PM in response to Bud in PA

(Jan 08, 2024) I have been prompted by Outlook to "sign in" for years and I just ignore it and everything worked fine - until now. I have iPhone 12 ProMax and regardless of the iOS, this always comes up and has never been a problem. BUT NOW it tells me to "Please sign in to your IMAP account". I have tried doing this a dozen times and even though my password is correct, it still won't let me sign in. I cannot access my email or send email on my phone anymore using Outlook. What ****** me off is this only started a few days ago (the IMAP message). Anyone else get this specific message?

Jan 24, 2024 3:23 PM in response to Kens Ipod

I am on 16.5 and this is happening to me. It suddenly started without having made any changes or updates to my IOS Device. I am neither a fan boy of Apple or Microsoft. I have not changed my Outlook password. It remains as is and works perfectly in Outlook on my PC. I type in the proper password on my IOS Mail App and it just comes right back. I personally think this is two conglomerate Tech Giants messing with each other and refusing to play well together or forcing people to move to their apps so they can collect more data on you. I personally am sick of the big tech companies believing because you use their products that gives them the right to own you and your data. It's not like they are giving their products away for free.

It is exceptionally annoying.

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iPhone keeps asking for Outlook password

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