According to user discussions on the SoftMaker Forum , saving in PMDX allows for the full use of PlanMaker-specific features that might not translate perfectly to standard XLSX, though modern versions aim for nearly 100% compatibility. Interestingly, technical tests show that PMDX files are compressed formats, though they may occasionally result in larger file sizes than XLSX depending on the data complexity. Massive file size increase - SoftMaker.com
: Some specialized PlanMaker features (e.g., unique formulas or formatting) may not translate perfectly to the Excel format. PlanMaker includes a Syntax Highlighting tool to identify cells where conversion may have failed. Backward Compatibility : PMDX replaced the older Pmdx To Excel Converter
Let us walk through a realistic scenario using a typical (using CoolUtils Total Converter as the reference). According to user discussions on the SoftMaker Forum