FileInfo.com


.PCAP File Extension


File Type Packet Capture Data
File Format File
Common? No
File Description Contains packet data captured by monitoring and "packet sniffing" software; typically consists of data packets that have been sent over a network; can be analyzed using software that uses the libpcap or WinPcap libraries.

NOTE: Ethereal, a popular program for capturing and analyzing PCAP files, was renamed to Wireshark in May, 2006.

PCAP is also an abbreviation for "Packet Capture."
Program(s) that open pcap files Mac: Wireshark
Windows: Wireshark; WinDump
Unix: Wireshark; tcpdump

Information from FileInfo.com - The File Extensions Resource.
http://www.fileinfo.com/extension/pcap