There are several steps you can try to fix Outlook stuck on loading profile:
- Close Outlook and restart your computer.
- Delete Outlook email profile from the C Panel.
- Delete the Roam Cache folder located at %localappdata%\Microsoft\Outlook.
- Run the Inbox Repair Tool (scanpst.exe) on your PST file to check for errors.
- generate a new Outlook profile and set it as the default profile.
- If the problem persists, try disabling any add-ins or extensions that you have installed in Outlook.
- Check if there is any issue with your connection.
- Check if your Outlook version is up to date, if not then update it.
- Try to start Outlook in Safe Mode, by holding the Ctrl key while starting Outlook.
It's important to keep in mind that the specific steps may vary depending on your setup and the version of Outlook you are using.