This policy setting allows you to control whether Outlook should block sending emails and meeting requests until web add-ins are loaded from Exchange.
If you enable this policy setting, Outlook won't allow emails and meeting requests to be sent until web add-ins are loaded from Exchange.
If you disable or don't configure this policy setting, Outlook will allow emails and meeting requests to be sent even if the latest web add-ins haven't been loaded from Exchange yet.
For more information about when to use this setting, see https://go.microsoft.com/fwlink/p/?linkid=2161562
| Registry Hive | HKEY_CURRENT_USER |
| Registry Path | software\policies\microsoft\office\16.0\outlook\security |
| Value Name | onsendaddinswaitforload |
| Value Type | REG_DWORD |
| Enabled Value | 1 |
| Disabled Value | 0 |