SpreadCE

SpreadCE is an Excel-compatible spreadsheet program. It can read and write xlsx (Excel 2007-2016), xls (Excel 2. 0, 3. 0, 4. 0, 5. 0, 95, 97-2003), pxl (Pocket Excel 1 & 2), csv (Comma Separated Values) and txt (Tab-Delimited Text) files. The number of sheets per file and the number of open files is limited only by the available memory.