PlanMaker Viewer is a free document viewer for all common spreadsheet file formats.

Opens, views, and prints these document types: .xlsx, .xlsm Microsoft Excel 2007 and 2010 .xltx, .xltm Microsoft Excel 2007/2010 templates .xls Microsoft Excel 5.0 up to Excel 2010 .xlt Microsoft Excel templates 5.0 up to 2010 .pmd PlanMaker 2001 up to 2010 .pmv PlanMaker templates 2001 up to 2010 .pmw PlanMaker 1.0, 2.0, 97 .sdc StarCalc 1.0, 2.0 .slk SYLK files .rtf Rich Text Format .dbf dBASE files .txt, .csv, .prn Plain-text files (DOS, Windows, Unicode, UTF-8, many more)