Using Classic Outlook on Windows for personal email, calendar, and contact management
Dear Pierre-YvesL,
Thank you for choosing Microsoft Community.
As per your description, yes, I have gone through your scenario, and I would like to share some information with you, Microsoft has specific dedicated support channel for certain different aspect, would you mind to contact and place your concern on our specific Microsoft Q&A forum community for certain different support scope? our relevant community members can further provide you possible information form their side.
Here is that dedicated forum community to place your concern: Microsoft Q&A
I am really appreciating your precious time.
Have a great day.
Sincerely,
Katherine