Using classic Outlook for Windows in business environments
Hi Blackwattle
I'm AnnaThomas and I'd happily help you with your question. In this Forum, we are Microsoft consumers just like yourself.
Authentication may fail when using an IMAP server in Outlook. If your password contains a Unicode character. To resolve this issue, you can try changing your password so that it no longer contains any Unicode characters.
Learn more: https://support.microsoft.com/help/16273eaf-ec20-83f0-f25c-4277c722d42f
I hope this helps ;-), let me know if this is contrary to what you need, I would still be helpful to answer more of your questions.
Best Regards,
AnnaThomas
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