Though "COM" is not exact what OOo services are – I've given the name for easy searchin through plenty of themes. May be OOoUNO_UDF is better? Basic functions to use Open Office Calc in AutoIt scripts . OOoCOM_UDF.au3 OOoCOM_UDF.au3 Feel free to post here a bug or proposition . Tested with OOo 3.0.1. For testing you can use xls-file Example scripts are: Big thanks to SEO <locodarwin at yahoo dot com> for ideas in ExcelCOM_UDF.au3