.CHK File Extension
File Type 1InterCheck Checksum Database
What is a CHK file?
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.
File Type 2Saved File Fragment
This file is saved in a binary format, which requires a specific program to read its contents.
.CHK File Association 2
Windows file fragment cleaned from the hard disk by ScanDisk or CHKDISK; stored in the FOUND folder after a disk scan has been performed; typically can be deleted since the information has been moved somewhere else on the disk.
The program CHK-Mate can be used to examine the contents of a CHK file before it is removed. Also, UnCHK and FileCHK can be used to recover data from CHK files.
File Type 3StarCraft Chunk File
.CHK File Association 3
File Type 4Netgear Router Firmware File
.CHK File Association 4
File used by Netgear routers when updating the firmware; stores low-level system data that runs the router; can be used for applying router updates using the Netgear Web browser interface, which is often accessed at the local 192.168.1.1 local network address.