Home : File Types : PCAP File

.PCAP File Extension

File TypePacket Capture Data

3.5 (42 Votes)
CategoryData Files

What is a PCAP file?

Data file created by Wireshark (formerly Ethereal), a free program used for network analysis; contains network packet data created during a live network capture; used for "packet sniffing" and analyzing data network characteristics; can be analyzed using software that includes the libpcap or WinPcap libraries.

More Information

Wireshark is available for Mac, Windows, and Linux platforms. Professors and students often use the software for studying data communications.

NOTE: Wireshark was renamed from Ethereal in May, 2006 due to trademark issues.

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Programs that open PCAP files

Updated 9/20/2012

About PCAP Files

Our goal is to help you understand what a file with a *.pcap suffix is and how to open it.

The Packet Capture Data file type, file format description, and Mac, Windows, and Linux programs listed on this page have been individually researched and verified by the FileInfo team. We strive for 100% accuracy and only publish information about file formats that we have tested and validated.

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