TMS FlexCel for VCL & FMX v6.9 has been released with a major new feature: Conditional Format support for .XLSX files

TMS FlexCel for VCL & FMX v6.9 has been released with a major new feature: Conditional Format support for .XLSX files
http://www.tmssoftware.com/site/flexcel.asp

TMS FlexCel for VCL/FMX is a suite of Delphi components allowing to manipulate/generate 100% native .XLS,.XLSX,.XLSM,.PDF,.HTML,.SVG files