All incoming emails are routinely scanned and potential spam is filtered by Microsoft spam-filtering system. You will receive notification when email has been quarantined as potential spam. If these messages accumulate in your inbox or in another folder, they will add to your overall mailbox size. Please check these regularly and delete as they are reviewed, so that you do not each the size limit on your mailbox. 

  1. Click on the Settings icon
  2. Click on View All Outlook Settings
  3. Click on Junk Email
  4.  Manage your Safe List and Block List by clicking on the Add button to add specific email addresses to either category.
  5. Type the email address(s) and press enter
  6. Click on Save