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

Feb 3, 2024 8:17 AM in response to Bud in PA

So now I'm really messed up. Wouldn't stop asking for password so I deleted account. Tried adding it back in as an Outlook account. Mail synced, 25 of my 1400 contacts came over and not calendar.


Removed again and tried as exchange account. Mail synced, all but 38 contacts came over but still no calendar. Calendar says it cannot updated.


When I first sign in it only takes my real MS password and then later when it asks for password neither my password nor my app password work. It also asks for a server name. I gave it outlook.office365.com which I found on net (not sure it is right.


What a F*****G mess.


Would anyone know the correct sever name to use with an Exchange account for someone that has an outlook.com account.

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iPhone keeps asking for Outlook password

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