It would help for us to understand, from what you transferred your data into FTM 2012 and by what method.
Upgrade from previous FTM, via GEDCOM from another program, etc.
Also how did you create the GEDCOM where you are viewing the old notes? via FTM 2012?
Upgrade from previous FTM, via GEDCOM from another program, etc.
Also how did you create the GEDCOM where you are viewing the old notes? via FTM 2012?