Hello, I'm Quinn and here to help!
If you’d like Microsoft Support to call you back about your Outlook issue, you can start here: https://support.microsoft.com/contactus/
You may also find direct phone numbers for your region here:
https://support.microsoft.com/topic/customer-service-phone-numbers-c0389ade-5640-e588-8b0e-28de8afeb3f2