Hi, I'm Bernard. I'm happy to help!
Based on the Outlook.com Health Status, there is currently an ongoing service degradation that may cause intermittent sign-in issues, especially for iOS users. This is a known issue, and updates will be provided through the link below.
https://portal.office.com/servicestatus
Under Microsoft consumer products > Show products > click Show Details under Outlook.com
In the meantime, you may do the following steps to receive an email:
- Open the Settings app on your iPhone.
- Scroll down and tap on Mail.
- Select Accounts under the Mail settings.
- Tap on the email account for which you need to re-enter the password.
- Tap on Account Settings or directly on the Password field (depending on your iOS version).
- Enter the updated or correct password in the Password field.
- Tap Done to save the changes.
- Open the Mail app to confirm that the account is syncing properly and emails are being sent/received.
Note: This is a public forum. I may respond shortly, but I apologize in advance for any delays. I am simply a fellow user trying to provide helpful insights and information.