.ATC

.ATC file extension

This is the basic program to work with .ATC extension

Wireshark

Wireshark Wireshark file

Wireshark is a network packet analyzer, which presents captured packet data in as much detail as possible. It can be used to troubleshoot network problems, examine security problems, verify network applications, debug protocol implementations, and learn network protocol internals... (more)

The program works with the following extensions: cap, fdc, rf5, syc, tpc, erf, tr1, acp, trc, wpc, pkt, wpz, enc, 5vw, apc, atc, bfr, pcap, snoop and trace

.ATC extension is also supported by the following program:

Ethereal

Ethereal Ethereal file

Sniffer application used to monitor network traffic, filtering by protocol.