Hi, I tried to do this : MyWorksheet.WriteUTF8Text(0, 3, 'żźćęńóśćąłŻŹĆĄŚĘŃÓŁ'); but not all Polish chars are stored. is this a limitation of excel5 xls files or a bug in fpspreadsheet ? I opened file in OpenOffice 3.1 because I have no Microsoft Excel. Regards Boguslaw