If this policy is enabled, you can choose data to be cleared when Firefox is closed.
If this policy is disabled or not configured, data is not cleared when the browser is closed.
| Registry Hive | HKEY_LOCAL_MACHINE or HKEY_CURRENT_USER |
| Registry Path | Software\Policies\Mozilla\Firefox |
| Value Name | SanitizeOnShutdown |
| Value Type | REG_DWORD |
| Enabled Value | 1 |
| Disabled Value | 0 |
Cache| Registry Hive | HKEY_LOCAL_MACHINE or HKEY_CURRENT_USER |
| Registry Path | Software\Policies\Mozilla\Firefox\SanitizeOnShutdown |
| Value Name | Cache |
| Value Type | REG_DWORD |
| Default Value | 0 |
| True Value | 1 |
| False Value | 0 |
Cookies| Registry Hive | HKEY_LOCAL_MACHINE or HKEY_CURRENT_USER |
| Registry Path | Software\Policies\Mozilla\Firefox\SanitizeOnShutdown |
| Value Name | Cookies |
| Value Type | REG_DWORD |
| Default Value | 0 |
| True Value | 1 |
| False Value | 0 |
Download History| Registry Hive | HKEY_LOCAL_MACHINE or HKEY_CURRENT_USER |
| Registry Path | Software\Policies\Mozilla\Firefox\SanitizeOnShutdown |
| Value Name | Downloads |
| Value Type | REG_DWORD |
| Default Value | 0 |
| True Value | 1 |
| False Value | 0 |
Form & Search History| Registry Hive | HKEY_LOCAL_MACHINE or HKEY_CURRENT_USER |
| Registry Path | Software\Policies\Mozilla\Firefox\SanitizeOnShutdown |
| Value Name | FormData |
| Value Type | REG_DWORD |
| Default Value | 0 |
| True Value | 1 |
| False Value | 0 |
Browsing History| Registry Hive | HKEY_LOCAL_MACHINE or HKEY_CURRENT_USER |
| Registry Path | Software\Policies\Mozilla\Firefox\SanitizeOnShutdown |
| Value Name | History |
| Value Type | REG_DWORD |
| Default Value | 0 |
| True Value | 1 |
| False Value | 0 |
Active Logins| Registry Hive | HKEY_LOCAL_MACHINE or HKEY_CURRENT_USER |
| Registry Path | Software\Policies\Mozilla\Firefox\SanitizeOnShutdown |
| Value Name | Sessions |
| Value Type | REG_DWORD |
| Default Value | 0 |
| True Value | 1 |
| False Value | 0 |
Site Preferences| Registry Hive | HKEY_LOCAL_MACHINE or HKEY_CURRENT_USER |
| Registry Path | Software\Policies\Mozilla\Firefox\SanitizeOnShutdown |
| Value Name | SiteSettings |
| Value Type | REG_DWORD |
| Default Value | 0 |
| True Value | 1 |
| False Value | 0 |
Offline Website Data| Registry Hive | HKEY_LOCAL_MACHINE or HKEY_CURRENT_USER |
| Registry Path | Software\Policies\Mozilla\Firefox\SanitizeOnShutdown |
| Value Name | OfflineApps |
| Value Type | REG_DWORD |
| Default Value | 0 |
| True Value | 1 |
| False Value | 0 |