Most spam email will continue to be sent to the Junk folder in Outlook which you should continue to review for any legitimate messages.

Email deemed to be high-risk will be quarantined -- you will be emailed a daily digest of any quarantined email from You only need to take action if legitimate email has been quarantined.

Email will be quarantined for 30 days, after which it will be deleted. 

Sample quarantined email message

For each quarantined email, you can choose to Review, Release, or Block Sender

  • Block Sender immediately blocks the sender of the email from sending you additional messages.
  • Release removes the email from quarantine.
  • Review brings you to the Quaratine page noted in the initial email.
Review, release, or block quarantined email

From the Quarantine page noted in the initial email, you will see all quarantined email.

Select a message to take action on it.

On the Quarantine page, select emails to review

Click Preview message to safely see the contents of the email. 

Click Preview message to safely view the email

Remove from quarantine deletes the message.

Release message sends the email to your inbox and notifies Microsoft, which may re-evaluate its analysis of similiar messages in the future.