Can't send or receive email in Outlook.com (2024)

Important:If your Microsoft cloud storage is full, you cannot send or receive email. Messagessent to you while your storage was full are bounced back to the sender and are unrecoverable.Checkyour mailbox storageto see what's taking up space. Learn more about recent changes.

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. Your account might also be temporarily blocked because we noticed some unusual sign-in activity. Learn how tounblock your Outlook.com account.

• If you can't sign in to your account, use the Microsoft account sign-in helper.

• If a message has an attachmentlarger than25 MB, Outlook cannot send the message.

  Tip:See alsoUnable to attach files in Outlook.com.

• Check yourOthertab and ensure there are no filters preventing you from seeing all your messages.

• Check yourJunk Emailsettings and yourJunk Emailfolder.If there are messages that shouldn't have been marked as junk, to move them back to your inbox, right-click each email message and then chooseMark as not junk.

• Check to see if messages are appearing out of order in the message list. You can restore the message list to chronological order by selecting Filter > Sort > Date.

• If one of your devices isn't sending or receiving email, removing thepartnership between the mobile device and your mailboxoften fixes sync issues. Learn more.

If these tips don't help,try our interactive troubleshooter below.

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