1. Can ADT/ABS 2004 users open drawings that were created in ADT/ABS 2006 (and not saved back drawings that is)?
2. If ADT/ABS 2006 users save all their drawings back so that 2004 users can collaborate on these drawings will this in effect negate all the advantages of using 2006 over 2004? Can you please elaborate on what some of those advantages are?
3. Is there anything in an ADT drawing that and ABS user can not view and modify?
4. Is there anything in and ABS drawing that and ADT user can not view and at least move/at most modify?