Difficult to export only select predecessor and success data - only exports them all

Opinion or Assistance requested:  Is there a different way to import & export to excel FILTERED pred / successor import data than to give the pred and successor a unique logic note code, then the matching activity a unique activity code.  Otherwise the problem, or bug, or tricky issue is that ALL relationships are exported - relationships DO NOT follow the activity filter export.  This makes is very difficult to import in activities with multiple users because the relationship import might over-right changes on other, non-filtered activities by others or say older select data into a later updated version.   The problem is relationship data only applies a logic specific filter, and the only column that a variable can be applied is the relationship comment column.  The xer and xlm exports do not have a filter option.  Is there a 3rd party software or Macro than resolves this?