Shared mailboxes let multiple users view and send email from a common address (like info@company.com). Here's how to access a shared mailbox across all major platforms:
Outlook for Windows (Classic)
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Open Outlook.
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Go to File > Account Settings > Account Settings.
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Select your mailbox and click Change.
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Click More Settings > Advanced tab.
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Under Mailboxes, click Add.
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Enter the shared mailbox name or email > click OK.
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Click Apply > Next > Finish > Close.
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Restart Outlook.
✅ The shared mailbox will appear in your folder list on the left.
Outlook for macOS
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Open Outlook.
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Go to Tools > Accounts.
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Select your primary account > click Delegation & Sharing.
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Under Shared With Me, click the + button.
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Search for the shared mailbox > click Add.
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Close the window.
✅ The shared mailbox will now show in your sidebar.
Outlook on the Web (OWA)
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Go to https://outlook.office.com .
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In the left pane, right-click Folders > click Add shared folder.
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Search for the shared mailbox > click Add.
✅ It will appear in your folder list under your main mailbox.
Outlook Mobile (iOS / Android)
✅ The Outlook app does support shared mailboxes.
As long as your account has Full Access to the shared mailbox:
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Open the Outlook app.
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Tap your profile icon (top left).
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Tap the + icon and select Add Shared Mailbox.
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Enter the shared mailbox email > tap Add.
🔁 It may take a few minutes to sync. You’ll now see it in your folder list, and can send from it as well.