Form Data

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: FormData

Enabled: FormData = 1

Disabled: FormData = 0

Description

If the policy is enabled, form data is cleared when the browser is closed. If this policy is disabled or not configured, form data is not cleared when the browser is closed.