Ensure your unit has working internet connection to send / receive mails on your desktop.

scrub the Outlook cache.

Outlook saves cache files on your gear to improve performance.

Overwhelming or corrupted, these files might sometimes be the reason why Outlook cant receive emails.

Clearing the cache should reveal the missing email.

And you oughta authenticate with new login details to start receiving emails in outlook.

If your Outlook profile is corrupt, it can cause you to stop receiving email.

If you still cant receive email, it might be time to make a run at repair Outlook.

Also make a run at repair your email account profile.

In Outlook, choose File, then Account prefs and then choose Account prefs again from the drop-down menu.

In the Accounts tweaks dialog box, hit the email account that wont send mail and click Repair.

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