Permanently remove all deleted content from PST and OST files
- Policy ID
- L_Permanentlyremovealldeleteditems
- Scope
- User Configuration
- Supported on
- At least Windows Server 2008 R2 or Windows 7
- Source
- Microsoft 365 Apps / Office Administrative Templates (version 5568.1000)
- Category
- Microsoft Outlook 2016 › Miscellaneous › PST Settings
Description
By default, a small percentage of deleted data is not overwritten in Outlook PST and OST files. By enabling this setting, all deleted data in PST and OST files is overwritten when users exit Outlook.
Registry
UserHKEY_CURRENT_USER
- pstnullfreeoncloseREG_DWORD