History

Supported on: Firefox 74 or later, Firefox 68.6 ESR or later

Registry

HKLM Software\Policies\Mozilla\Firefox\SanitizeOnShutdown

HKCU Software\Policies\Mozilla\Firefox\SanitizeOnShutdown

Value name: History

Enabled: History = 1

Disabled: History = 0

Description

If the policy is enabled, browsing history and download history are cleared when the browser is closed. If this policy is disabled or not configured, browsing history and download history are not cleared when the browser is closed.