There are 10 other file types using
the CHK file extension!

empty icon.chk - ScanDisk file fragment

chk icon.chk - Corel WordPerfect temporary file

empty icon.chk - Starcraft campaign map file

empty icon.chk - SSConvert multilanguage video subtitle data file

empty icon.chk - EpiData check file

empty icon.chk - 3D Movie Maker interface data file

chk icon.chk - Nvu data

empty icon.chk - TomTom Navigator voice data

empty icon.chk - PolySpace check results

empty icon.chk - Netgear firmware

CHK file extension - Sophos intercheck file

What is chk file? How to open chk files?

File type specification:

Various data file type icon Various data file type

The chk file extension is associated with the Sophos Antivirus security software used to protect computer against viruses, Trojan horses and other malware. The .chk file contains intercheck data for Sophos Antivirus.

The default software associated to open chk file:

Sophos Antivirus icon

Sophos Plc. logoSophos Antivirus  Microsoft Windows software

Company or developer:
Sophos Plc.

Sophos Antivirus protects against viruses, spyware, spam and policy abuse. Software and appliance solutions deliver award-winning protection from viruses, Trojans, worms, spyware and spam at every vulnerable point of your network.

Help how to open:

Files with chk extension are not meant to be opened manually.

How to convert:

The chk extension file is not possible to convert into another file format.

List of recommended software applications associated to the .chk file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open chk file, edit chk file, convert chk file, view chk file, play chk file etc. (if exist software for corresponding action in's database).

Unspecified and all other actions for computer programs working with chk file - Sophos intercheck file

Click on the software link for more information about Sophos Antivirus. Sophos Antivirus uses chk file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).

Microsoft Windows:

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