Note: The From field is hidden by default. Office 365 service accounts are hidden by default within GAL.Ĭlick the box and select Other E-mail Address. If the account is hidden, you must make it visible. Important: In order to send as or send on behalf of an account via Outlook desktop client, the account must be visible in the Global Address List (GAL). Send as or send on-behalf of another account using Outlook for Windows.
