Exchange Unicode Mode - Ignore Archive Format

Checked: Outlook ignores the format of the user's default archive file when determining whether to operate in Unicode or ANSI mode. | Unchecked: If the user's default archive file is in ANSI format, then Outlook operates in ANSI mode.

Supported on: At least Windows Vista
Registry HiveHKEY_CURRENT_USER
Registry PathSoftware\Policies\Microsoft\Office\12.0\Outlook\EMSP
Value NameIgnoreArchiveFormat
Value TypeREG_DWORD
Enabled Value1
Disabled Value0

outlk12.admx

Administrative Templates (Computers)

Administrative Templates (Users)