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.
| Registry Hive | HKEY_LOCAL_MACHINE or HKEY_CURRENT_USER |
| Registry Path | Software\Policies\Mozilla\Firefox\SanitizeOnShutdown |
| Value Name | FormData |
| Value Type | REG_DWORD |
| Enabled Value | 1 |
| Disabled Value | 0 |