Policy
Force selection of account before sending
This policy setting enables you to force users to select an e-mail account from which to send outgoing e-mail. If you enable this policy setting, users must choose an e-mail account before they can send an e-mail. If you disable or do not configure this policy setting, e-mail is sent from the default e-mail account if users do not select a specific e-mail account.
Pack Microsoft Office
Category Microsoft Outlook 2016 / Outlook Options / Mail / Compose Messages
Policy ID
eb5a97489903 Internal name
L_ForceSelectionOfAccountBeforeSending Registry
Copy registry mappings
HKCU\software\policies\microsoft\office\16.0\outlook\options\forceaccountselection (enabled) = 1
HKCU\software\policies\microsoft\office\16.0\outlook\options\forceaccountselection (disabled) = 0 Policy notes
This policy setting enables you to force users to select an e-mail account from which to send outgoing e-mail. If you enable this policy setting, users must choose an e-mail account before they can send an e-mail. If you disable or do not configure this policy setting, e-mail is sent from the default e-mail account if users do not select a specific e-mail account.