Sorry. I did not make it clear. I used Excel as a way to indicate avg. user ability. The system in this case was provided by a different vendor and, in that par

Sorry. I did not make it clear. I used Excel as a way to indicate avg. user ability. The system in this case was provided by a different vendor and, in that particular case, drastically changed UI and how the system behaved. My point was, you don't spring changes like that with, seemingly, no forethought.