Outlook ANSI32 Unicode64 autoarchive

Q: When archiving, Outlook displays a stupid error message.
A: Change the registry to your likes.

HKEY_CURRENT_USER\Software\Microsoft\Office\11.0\Outlook subkey. NewPSTFormat can have the following values:

Prefer Unicode PST: 0 (default)
Prefer ANSI PST: 1
Enforce Unicode PST: 2
Enforce ANSI PST: 3