Converting (PlanMaker Spreadsheet) files to for free is straightforward, as PlanMaker—the program that creates PMDX files—is designed to be compatible with Microsoft Excel. Direct Conversion Methods PlanMaker (SoftMaker Office)

Data Analysis: Utilizing specific Excel-only plugins or advanced Power Query features for deep data manipulation.

Final Verdict

Converting PMDX to Excel for free is often possible, but it requires a bit of experimentation. Start with LibreOffice (it handles obscure extensions best), then try the XML rename trick, and finally, use a text editor to manually extract readable data.

A PMDX file is a spreadsheet document created by PlanMaker, which is part of the SoftMaker Office suite. It functions similarly to Excel's XLSX format, storing data in grids of rows and columns along with formulas, charts, and formatting. How to Convert PMDX to Excel for Free 1. Use PlanMaker (Built-in Export)