File Extension PCAP

.PCAP File

File extension: PCAP
File type: Ethernet Packet Sniffer File


Notes about the PCAP file extension:



To open this file type, a required software must be installed. Without it you only see a Windows message "The following file cannot be opened" (Windows 7) or "How do you want to open this file?" (Windows 10) if you double-click the file. There click on "More apps" and choose a suitable software to view such files on your PC or from email attachments.

The PCAP file type is primarily associated with 'Ethernet Packet Sniffer File'. PCAP is a format used by Ethernet packet sniffing software like Ethereal or Wireshark.

Detailed information for file extension PCAP:


Primary association: Ethernet Packet Sniffer File
Program ID: ethereal-file , wireshark-file
Related links: Programming with pcap, Wireshark Network Protocol Analyzer

Other applications associated with file type PCAP:

  • TCPDUMP (Style Capture) The identifying characters used for this association are - Hex: D4 C3 B2 A1 , ASCII:
File Identifier - TrID
'Identifying characters' used on FILExt.com are
provided by Marco Pontello from his TrID database




To change file associations press Windows Key + X and then Apps and Features > Default apps > Choose default apps by file type. Invalid file associations could be the result of underlying issues within your Windows PC.

Technical data

To view technical data on file-extension PCAP click this link to expand/hide the additional area.

System Info for File Extension .PCAP

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and information FILExt collected directly from user systems.

ProgramID: ethereal-file
EXEFile: %ProgramFiles%\Ethereal\ethereal.exe %1

ProgramID: ethereal-file
EXEFile: D:\hack'n-crack\Ethereal\ethereal.exe %1

ProgramID: wireshark-file
EXEFile: %ProgramFiles%\Wireshark\wireshark.exe

ProgramID: ethereal-file
EXEFile: %ProgramFiles%\_wwwUtils\_BB\Ethereal0.10.10\ethereal.exe


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