Policy
Exchange Unicode Mode - Ignore OST Format
Microsoft Office 5532.1000
Policy overview
Key metadata and intent for this policy.
This policy setting allows you to specify whether existing OST format determines the mailbox mode. If you enable this policy setting, you may choose one of these options: * OST Format determines mode: the format of the user's OST file will be used to determine whether to run in Unicode or ANSI mode. * Create new OST if format doesn't match mode: create a new OST file if needed. * Prompt to create new OST if format doesn't match mode If you disable or do not configure this policy setting, you will not be able to specify whether existing OST format determines the mailbox mode. This policy is ignored if PreferANSI is not set and the OST is enabled but either does not exist or is a Unicode OST, because it would be impossible for the user to create an ANSI OST.
Registry values
How enabled and disabled states update the registry.
No explicit registry values are set for enabled or disabled states.
Policy elements
Inputs and configuration options exposed by this policy.
| Element | Type | Registry mapping | Constraints & behavior |
|---|---|---|---|
Choose whether existing OST format determines mailbox mode ID L_ChoosewhetherexistingOSTformatdeterminesmailboxmode | enum | HKCU\software\policies\microsoft\office\16.0\outlook\emsp\ignoreostformat Type REG_DWORD | Options: OST Format determines mode (0), Create new OST if format doesn't match mode (1), Prompt to create new OST if format doesn't match mode (2) |
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