I usu vbscript tu create a calc, I change the size text and de color Text and heigt cell.
oSheet.getCellByPosition(0,0).CharColor = RGB(0,0,255)
oSheet.getCellByPosition(0,0).CharHeight = 12
oSheet.getCellByPosition(0,0).CharFontName = "Arial"
oSheet.getCellByPosition(0,0).CharWeight = 50
Thanks in advance