1 - COMxL RS232C 1.0 COMxL RS232C is an ease-to-use and very helpful Add-Ons/Add-Ins for MS Excel 97/2000 's user. It lets you link your instrument to your any Excel worksheet directly via RS232C port. License: Time-limited Trial OS: Windows 9X/ME/2K/XP/2003 Size: 3.3 MB