CNK file format description

Many people share .cnk files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .cnk file can be edited, converted or printed with. On this page, we try to provide assistance for handling .cnk files.

2 filename extension(s) found in our database.

.cnk - Pool of Radiance Game Data

The CNK game data files are related to Pool of Radiance. The CNK file is a Pool of Radiance Game Data. Pool of Radiance is a role-playing video game developed and published by Strategic Simulations.

Pool of Radiance
Game Data files
- / -
Pool of Radiance Game Data related extensions:
Constructor Animation Data
Gothic II Mesh Data
Grand Theft Auto V Fragment Object
ROSE Online Quest Data
Quake 3 Engine Weapon Data
Homeworld Game Archive

.cnk - Microsoft Dynamics GP Chunk Data

The CNK data files are related to Microsoft Dynamics GP. The CNK file is a Microsoft Dynamics GP Chunk Data. Dynamics GP is a mid-market business accounting or enterprise resource planning (ERP) software package that uses Microsoft SQL Server to store data.

Microsoft Dynamics GP
Data files
- / -
Microsoft Dynamics GP Chunk Data related extensions:
Arcplan Enterprise Repository
MindRender Virtual Reality Explorer Kit Object
Corel WordPerfect for Mac Help Data
SAS Access Descriptor
Molconn-Z Format Data
Qualtrics Survey Data

Naturally, other applications may also use the .cnk file extension. Even harmful programs can create .cnk files. Be especially cautious with .cnk files coming from an unknown source!

Can't open a .cnk file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .cnk file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

cbk, cgk, chk, cjk, ck, ckn, cmk, cn, cnj, cnm, cno, cnu, dnk, fnk, nck

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Sophos Anti-Virus Intercheck Data
Kerio WinRoute Firewall Mail Data
Saved File Fragment
GenePattern Copy Number Data
DYMO CardScan Backup Data
Latex CJK Package Data

Operating systems currently supports the following operating systems:

Windows XP/Vista, Windows 7/8/10, Windows 11, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, macOS, Mac OS X, iOS, Android

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