Outlook 2016 doesn't accept password or app password

I have the same issues, since 22 Jan 2024. I have been chatting with 2 outlook/hotmail mail helpdesk people before I found this thread. They were clearly not aware of this thread and effectively told me 'go to blackberry'.

My work around solution, not ideal as it does not sync folders nor allows you to transfer mails to folders through the hub, is to do the following (translating this from Dutch, so may not all be correct):

• manually add the email address to the hub (so not the automatic option)
• chose POP3
• settings ingoing server:

* server: outlook.office365.com

* port: 995

* safety type: SSL/TLS

• settings outgoing server:

* server: smtp.outlook.office365.com

* port: 587

* safety type: STARTTLS

In case you also want some positive feedback, my IMAP logins to outlook.office365.com with an app password (TLS, port 993) have been working fine since the fix was announced.

* OK The Microsoft Exchange IMAP4 service is ready. [TABPADAAUAAyADYANQBDAEEAMAAwADAANAAuAEcAQgBSAFAAMgA2ADUALgBQAFIATwBEAC4ATwBVAFQATABPAE8ASwAuAEMATwBNAA==]

a1 OK LOGIN completed.

* BYE Microsoft Exchange Server IMAP4 server signing off.

* OK The Microsoft Exchange IMAP4 service is ready. [TABPADQAUAAxADIAMwBDAEEAMAAzADYAOAAuAEcAQgBSAFAAMQAyADMALgBQAFIATwBEAC4ATwBVAFQATABPAE8ASwAuAEMATwBNAA==]

a1 OK LOGIN completed.

* BYE Microsoft Exchange Server IMAP4 server signing off.

* OK The Microsoft Exchange IMAP4 service is ready. [TABPADQAUAAxADIAMwBDAEEAMAAzADQANgAuAEcAQgBSAFAAMQAyADMALgBQAFIATwBEAC4ATwBVAFQATABPAE8ASwAuAEMATwBNAA==]

a1 OK LOGIN completed.

* BYE Microsoft Exchange Server IMAP4 server signing off.

* OK The Microsoft Exchange IMAP4 service is ready. [TABPADQAUAAzADAAMgBDAEEAMAAwADQANAAuAEcAQgBSAFAAMwAwADIALgBQAFIATwBEAC4ATwBVAFQATABPAE8ASwAuAEMATwBNAA==]

a1 OK LOGIN completed.

* BYE Microsoft Exchange Server IMAP4 server signing off.

* OK The Microsoft Exchange IMAP4 service is ready. [TABPADQAUAAxADIAMwBDAEEAMAAwADEAMAAuAEcAQgBSAFAAMQAyADMALgBQAFIATwBEAC4ATwBVAFQATABPAE8ASwAuAEMATwBNAA==]

a1 OK LOGIN completed.

* BYE Microsoft Exchange Server IMAP4 server signing off.

* OK The Microsoft Exchange IMAP4 service is ready. [TABPADQAUAAyADYANQBDAEEAMAAwADcAMQAuAEcAQgBSAFAAMgA2ADUALgBQAFIATwBEAC4ATwBVAFQATABPAE8ASwAuAEMATwBNAA==]

a1 OK LOGIN completed.

* BYE Microsoft Exchange Server IMAP4 server signing off.

* OK The Microsoft Exchange IMAP4 service is ready. [TABPADQAUAAxADIAMwBDAEEAMAA2ADYAMgAuAEcAQgBSAFAAMQAyADMALgBQAFIATwBEAC4ATwBVAFQATABPAE8ASwAuAEMATwBNAA==]

a1 OK LOGIN completed.

* BYE Microsoft Exchange Server IMAP4 server signing off.

* OK The Microsoft Exchange IMAP4 service is ready. [TABPADQAUAAyADYANQBDAEEAMAAyADYAMAAuAEcAQgBSAFAAMgA2ADUALgBQAFIATwBEAC4ATwBVAFQATABPAE8ASwAuAEMATwBNAA==]

a1 OK LOGIN completed.

* BYE Microsoft Exchange Server IMAP4 server signing off.

* OK The Microsoft Exchange IMAP4 service is ready. [TABPADIAUAAyADYANQBDAEEAMAAzADUANwAuAEcAQgBSAFAAMgA2ADUALgBQAFIATwBEAC4ATwBVAFQATABPAE8ASwAuAEMATwBNAA==]

a1 OK LOGIN completed.

* BYE Microsoft Exchange Server IMAP4 server signing off.

* OK The Microsoft Exchange IMAP4 service is ready. [TABPADQAUAAxADIAMwBDAEEAMAAyADIAMgAuAEcAQgBSAFAAMQAyADMALgBQAFIATwBEAC4ATwBVAFQATABPAE8ASwAuAEMATwBNAA==]

a1 OK LOGIN completed.

* BYE Microsoft Exchange Server IMAP4 server signing off.

Previously I could not log in at all. For the past few days when people started to say it was fixed, I was able to log in.

Since then I have remained logged in, however every few hours I get a password needs changing prompt.

This time I am ignoring it and mail continues to work. Sometimes the connection seems sporadic, and it will download 5 or 6 emails at a time.

It's still better than it was, but it's certainly by no means fixed. I'm afraid to remove the account incase I can't get back in again. This is with BlackBerry Hub+.

Seems to have gotten worse again tonight, was down for a few hours. I was on cellular data (IPv6) during most of that time. In fact over the last few days it seems to happen more frequently when my phone switches to cellular and back to wifi, maybe the IPv6 infrastructure hasn't gotten all the patches/fixes yet.

The issue is DEFINITELY NOT RESOLVED! MS jumped the gun again.

The issue most manifested when your client syncs with the server either as a push or at timed sync interval. This issue was fixed or largely improved in the last day or two.

However, if your client attempts to send an email, mark an email, change attribute on the email, move an email, or otherwise need to initiate a create or change request asynchronously to the server, then you will see the same error prompt. I can literally reproduce this on command.

Therefore, the issue is not fully resolved as MS claims.

Just tried to access my hotmail on Outlook, and I'm facing the same issue. Not sure why Microsoft suggested that this issue has been resolved here: https://support.microsoft.com/en-us/office/outlook-and-other-apps-are-unable-to-connect-to-outlook-com-f4202ebf-89c6-4a8a-bec3-3d60cf7deaef. The issue is far from resolved.