Hi Everyone, I recently started using AutoIt for some development project and I've found & enhanced the OOoCOM_UDF.au3 file to work in a way that is compatible with the standard excel library. modified entries include: _OOoCalc_SheetList _OOoCalc_SheetActivate _OOoCalc_ReadCell _OOoCalc_WriteCell UsedRange The listed functions are now interchangeable between Microsoft Office (Excel) and Open Office (Calc). I've also improved the working of these functions to call the "correct"