What is CHK? What Opens a CHK? File Format List from WhatIs.com

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CHK File Format

WordPerfect for Windows Temporary file

CHK is a file extension for a temporary file format used by WordPerfect for Windows. A CHK file can be created before and in between saves to safeguard data or to recover data after a program crash.

MIME type: application/wordperf, application/wordperfect, application/chk

The CHK file extension is also associated with file fragments saved by Windows Disk Defragmenter or ScanDisk.

Learn more about CHK files:

Ask for answers to CHK-related questions at IT Knowledge Exchange.

Visit the Corel WordPerfect web page.

This was last updated in: August 2010

Editorial Director: Margaret Rouse

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