Email not showing in shared mailbox

In Microsoft Outlook, if you are not seeing certain emails in a shared mailbox, it could be due to the sensitivity settings of those emails. Specifically, if the emails are marked as "Private," they will not be displayed in the shared mailbox's Inbox. This behavior is by design, and only the sender can set the sensitivity level of the item.

To resolve this issue, you can try the following workarounds:

1. Use Outlook on the Web (OWA) to check if the emails appear there.
2. Ensure that you have been added as a delegate to the shared mailbox with permission to view private items. This can be done via PowerShell or Outlook settings.
3. Alternatively, add the shared mailbox as an additional account using the email address and password of a user who has permission for that mailbox, ensuring that automapping is removed.

If the two-factor authentication emails are marked as private, you will need to follow these steps to access them.

References:

• Private items aren't displayed in a shared mailbox in Outlook
• Accessing other people's mailboxes in Microsoft 365

Thanks for sharing the details, Kareem! Try to check for Hidden Inbox Rules on the Shared Mailbox

2FA systems often trigger auto-created or legacy rules that do not show in Outlook.

Go to Outlook on the Web

Open the shared mailbox directly

• https://outlook.office.com/mail/******@domain.com

Go to Settings → Mail → Rules

Look for rules that:

• Move mail to RSS / Junk / Archive
• Delete messages
• Forward messages externally

Even if you didn’t create rules, apps and previous admins often did.

Disable or delete any rule affecting those messages.

See if this helps. If you need further assistance just let me know.

Best regards,

Kimberly

I see. Try this:

In Outlook Web → search the shared mailbox for:

• verification
• code
• security
• login

Expand “Search all folders”

If found → note the folder → create a rule to move them to Inbox.