Hello @Michael Clarke
Did you restore registry key ?
Seems to related with the following 2 registries:
HKEY_CURRENT_USER\Software\Microsoft\Office\xx.0\Outlook\Options\Mail
HKEY_CURRENT_USER\Software\Policies\Microsoft\Office\xx.0\Outlook\Options\Shutdown
And this blog may help you:
Outlook Logging folder consumes all disk space
Best Regards
Karlie
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