Using Classic Outlook on Windows for personal email, calendar, and contact management
Hi Orth's Nursery,
Thanks for posting here, I’m willing to assist you.
As your descriptions, this may be an office suit issue, I suggest you refer to this article, try repairing it.Firstly, choose the correct operating system, then follow the steps:https://support.microsoft.com/en-us/office/repair-an-office-application-7821d4b6-7c1d-4205-aa0e-a6b40c5bb88b?ui=en-us&rs=en-us&ad=us
Hope the information helps. Let me know if you need further assistance.
Best regards,
Regina