MegaPipe File-Transfer ActiveX - Version 1.2 MegaPipe ActiveX is the serial line file-transfer ActiveX supporting the protocols of XModem Checksum, XModem CRC, XModem 1K, YModem, YModem-G, Zmodem and Kermit. It can be used in any ActiveX-compliant environment like VC++, VB, Access, Delphi and Borland C++.