To ma na svedomi Regionalne nastavenie vo Windowse myslim, ja mam anglicku verziu win aj Excel a ukazuje mi defautne Tabulator. Skuste pozriet:
https://www.google.com/search?q=how+do+I+can+change+the+excel+default+delimiter+from+tab+to+comma+excelcitovat
https://www.google.com/search?q=how+do+I+can+change+the+excel+default+delimiter+from+tab+to+comma+excelcitovat