If you see messages piling up in your Outlook outbox or people you're sending messages to aren't receiving them, try the following methods to fix the issue. Personal email Business email. Important: If your Microsoft cloud storage is full, you cannot send or receive email.

If your cloud storage and mailbox are not full, and you can't send or receive email, or can't connect to Outlook.com, check these common causes: If you can't send or receive email, check your account: update your password if it's been changed recently.

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