Having problems opening a cap file?

Find out what programs can help open, view, play or convert your cap files.

Opening cap files
Packet Capture File

Did your computer fail to open a cap file? We explain what cap files are and recommend software that we know can open or convert your cap files.

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What is cap file?

Contains packets collected by a packet sniffing program; saves raw data captured over a data transmission; also called a trace file or bone file and is used by multiple packet sniffer applications.

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