Using Classic Outlook on Windows for personal email, calendar, and contact management
Hi optimusprime90,
Thank you for posting into the forum community. We will highly appreciated your kind cooperation and patience in our forum community.
Based on your mentioned description, seems like your concern environment is related with Exchange server On-Premise. So, I'd recommend you please kindly contact to our dedicated expert Microsoft Q&A forum community, our related expert support team will further assist you and provide you information there accordingly and respectively.
Stay safe and healthy.
Regards,
Darpan