<mime-type type="application/vnd.ms-outlook-pst">
    <_comment>Outlook Personal Folders File Format</_comment>
    <magic priority="50">
       <match value="!BDN....SM" type="string" offset="0" mask="0xFFFFFFFF00000000FFFF"/>
    </magic>
    <glob pattern="*.pst"/>
    <glob pattern="*.ost"/>
  </mime-type>

  <mime-type type="application/vnd.ms-pki.seccat">
    <glob pattern="*.cat"/>
  </mime-type>