I have some very involved nested IF(OR( formulas in my sheet. They all work past the initial IF, and the the first IF(OR( statement, then ignores everything past that one. I'm hoping it's just a syntax issue vs a limitation.
Here's one example:
=IF([Outsource Due Date]@row = "", IF([Route Number]@row = "FAB-WELD-NOFIN-09", WORKDAY([Assembly Start Date]@row, -4), IF(OR([Route Number]@row = "FAB-FIN-01", [Route Number]@row = "FAB-FIN-07", [Route Number]@row = "FAB-WELD-FIN-01"), WORKDAY([Collect for OS Finish Due Date]@row, -2, IF(OR([Route Number]@row = "FAB-WELD-FIN-03", [Route Number]@row = "FAB-WELD-FIN-11", [Route Number]@row = "FAB-WELD-FIN-ASSY-03", [Route Number]@row = "FAB-WELD-FIN-ASSY-11"), WORKDAY([Collect for OS Finish Due Date]@row, -2, IF(OR([Route Number]@row = "FAB-WELD-FIN-04", [Route Number]@row = "FAB-WELD-FIN-08", [Route Number]@row = "FAB-WELD-FAB-FIN-06", [Route Number]@row = "FAB-WELD-FAB-FIN-05", [Route Number]@row = "FAB-WELD-FAB-FIN-19", [Route Number]@row = "FAB-WELD-FAB-FIN-20", [Route Number]@row = "FAB-WELD-FIN-ASSY-04", [Route Number]@row = "FAB-WELD-FIN-ASSY-08", WORKDAY([Collect for OS Finish Due Date]@row, -3, IF(OR([Route Number]@row = "FAB-WELD-FIN-05", [Route Number]@row = "FAB-WELD-FIN-09", [Route Number]@row = "FAB-WELD-FAB-FIN-07", [Route Number]@row = "FAB-WELD-FAB-FIN-08", [Route Number]@row = "FAB-WELD-FAB-FIN-15", [Route Number]@row = "FAB-WELD-FAB-FIN-16", [Route Number]@row = "FAB-WELD-FIN-ASSY-05", [Route Number]@row = "FAB-WELD-FIN-ASSY-09"), WORKDAY([Collect for OS Finish Due Date]@row, -4, IF(OR([Route Number]@row = "FAB-WELD-FAB-FIN-09", [Route Number]@row = "FAB-WELD-FAB-FIN-10", [Route Number]@row = "FAB-WELD-FAB-FIN-17", [Route Number]@row = "FAB-WELD-FAB-FIN-18"), WORKDAY([Collect for OS Finish Due Date]@row, -5, IF(OR([Route Number]@row = "FAB-NOFIN-01", [Route Number]@row = "FAB-NOFIN-07"), WORKDAY([Assembly Start Date]@row, -1, IF(OR([Route Number]@row = "FAB-WELD-NOFIN-03", [Route Number]@row = "FAB-WELD-NOFIN-11"), WORKDAY([Assembly Start Date]@row, -2, IF(OR([Route Number]@row = "FAB-WELD-NOFIN-04", [Route Number]@row = "FAB-WELD-NOFIN-05", [Route Number]@row = "FAB-WELD-NOFIN-08"), WORKDAY([Assembly Start Date]@row, -3), ""))))))))))))))))), "OUTSOURCED")