This policy determines if Outlook can use REST to update calendars.
If you enable this policy, Outlook will use REST to update supported Office 365 and Outlook.com calendars.
If you disable this policy, Outlook won't use REST to update any calendars.
| Registry Hive | HKEY_CURRENT_USER |
| Registry Path | software\policies\microsoft\office\16.0\outlook\options\calendar |
| Value Name | restupdatesforcalendar |
| Value Type | REG_DWORD |
| Enabled Value | 1 |
| Disabled Value | 0 |