Using New Outlook on Windows for professional communication and productivity
Dear JG5044
Thanks for using Microsoft products and posting in the Community.
For your feedback, the problem of 0x80049dd3 error, we found that many users are also feedback this problem, this problem has been in the urgent fix, I hope you can wait patiently. Once there is any solution I will contact you directly.
Apologize for affecting your work and life.
Looking forward to your reply.
Best wishes
Clark | Microsoft Community Support Specialist