Open and use a shared mailbox in Outlook
support.microsoft.com › en-us › officeJul 15, 2019 · Use a shared mailbox on a mobile device (phone or tablet) Sign in to your primary account in Outlook for iOS or Android. Tap the Add Account button in the left navigation pane, then tap Add a Shared Mailbox . If you have multiple accounts in Outlook Mobile, select the account that has permissions to ...