ForensiT User Profile Wizard? I have a non-domain Win11 PC in use for 3 years and I want to join ...

Outlook, mappings, printers, etc etc

Join the PC to the domain (System > Rename this PC (advanced) > Change, or Add-Computer -DomainName domain.local -Restart). Reboot.
Run User Profile Wizard on the machine.
Select the existing local profile (e.g., C:\Users\jsmith), enter the domain account it should map to (DOMAIN\jsmith), and let it run. It can also do the domain join for you in one pass if you prefer.
Log in as the domain user — they land in their exact same profile.