CC Columns showing blank or only the letters 'CC' or 'BC' in the column

• From Mailbox or Sent Items views, right click columns and add the CC column to be displayed.
• The CC column in the Sent Items, is always blank.
• The CC column in the Mailbox, will show either blank, 'CC', or 'BC'.

This is working as designed.

If the recipient of the emails is on the CC line instead of the TO, then a 'CC' text is printed in this column and if the recipient is in
the BC instead of the TO or CC, then a 'BC' text is printed in this column.  For Sent Items, this column does not work since it's intended for the recipient's use only.