FileInfo.com


.CHK File Extension


File Type 1 Saved File Fragment  (Most common)
File Format File
Common? No
File Description Windows file fragment cleaned from the hard disk by ScanDisk or CHKDISK; stored in the FOUND folder after a disk scan has been performed.

CHK files typically can be deleted since the information has been moved somewhere else on the disk; however, file contents may be checked with CHK-Mate before being removed.
Program(s) that open chk files Windows: DIY DataRecovery CHK-Mate (examines the contents of CHK files); UnCHK or FileCHK (recovers data from a CHK file)

File Type 2 StarCraft Chunk File
File Format Proprietary File
Common? No
File Description Uncompressed Starcraft map included with the Blizzard installer CD; similar to a .MPQ formatted file, such as a .SCM or .SCX scenario file, but is not compressed into an archive format.
Program(s) that open chk files Mac / Windows: Blizzard StarCraft

File Type 3 InterCheck Checksum Database
File Format Proprietary File
Common? No
File Description Database file that contains virus definitions for Sophos Anti-Virus; updated with InterCheck, a service that checks a central virus reporting system; can be modified by changing the InterCheck reporting level and syslog configuration settings.

The InterCheck datbase is named "interchk.chk" by default; it is stored in the /Program Files/Sophos/Sophos Anti-Virus/Config directory on Windows computers.
Program(s) that open chk files Mac / Windows / Unix: Sophos Anti-Virus

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