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.CAP File Extension


File Type 1 Construct Game Development File  (Most common)
File Format File
Common? No
File Description Game development project created with Scirra Construct; used for programming DirectX 9-based games and applications; includes background images, objects, and code such as event handlers and physics models used in the game.
Program(s) that open cap files Windows: Scirra Construct

File Type 2 Packet Capture File
File Format Standard File
Common? No
File Description 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.
Program(s) that open cap files Mac: Wireshark
Windows: Netscout Sniffer; PacketBone BoneLight; Klos PacketView Pro; Wireshark
Unix: Wireshark

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