All about DSK Files

The DSK file type is primarily associated with Disk Utility.

DSK	File extension: DSK
	File type:	disk image

What is a DSK file?

DSK files mostly belong to Disk Utility by Apple. A DSK file is a disk image. Although such disk images have the same filename extension, they are actually saved in different formats used by various operating systems. Disk Utility, for example, can mount and read a DSK file containing a Macintosh disk image. ISOBuster cab import, read, and write a generic disk image saved in a DSK file. Older versions of Delphi integrated development environment save desktop application projects in a DSK file.

How to open DSK files

You need a suitable software like Disk Utility to open a DSK file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your DSK file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a DSK file directly in the browser:. Just drag the file onto this browser window and drop it.

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Programs that open and convert DSK files:

Disk Utility by Apple
See the previous paragraphs to learn more about the main application. DSK files are often referred to as Disk Utility disk images because this type of file is primarily created or used by this software.
CPCemu (disk image) by Rainer Loritz
CPCemu is a cross-platform program that can emulate Amstrad CPC computers. It can mount and install a DSK disk image file used by such computers. This file format is classified as Disk Image. Related links: Internet Archive Extended CPCEMU File Format, Amstrad CPC
Delphi (project) by Embarcadero
Delphi is an integrated development environment for building cross-platform native applications. Older versions of this program save a desktop project in a DSK file. This file format is classified as Developer.
ISOBuster (disk image) by Smart Projects
ISOBuster is a Windows program for cloning and/or flashing a disk image from/to a storage media. It can read, clone, or flash a disk image saved in a DSK file. This file format is classified as Disk Image.
MSX DOS (disk image) by Microsoft
MSX DOS is a discontinued disk operating system for classic 8bit MSX home computers developed by Microsoft and ASCII Corporation. It uses disk images saved in DSK files. This file format is classified as Disk Image.
NetWare (disk driver) by Micro Focus
NetWare is a discontinued desktop/server operating system. It uses a DSK file to store its disk driver. This file format is classified as System.
Notes (design elements) by HCL
Notes is an email client software for Domino email server. Older, discontinued versions of this program saved design elements or a workspace in a DSK file. This file format is classified as Data. Related links: IBM Lotus Notes Wikipedia Page
SHARP MZ (data) by Karl-Heinz Mayrhofer
SHARP MZ is a discontinued program that could emulate MZ series personal computers. It uses data saved in a DSK file. This file format is classified as Data.
Simple IDs (database) by DSKE
Simple IDs is a discontinued program used to design and print ID cards, badges, and business cards. An ID card database used by Simple IDs is saved in a DSK file. This file format is classified as Database.
Windows XP (system backup) by Microsoft
Windows XP is a discontinued edition of Windows desktop operating system. Its System Restore component saves system backups in a DSK file. This file format is classified as Backup.
WinImage (disk image) by WinImage Developer
WinImage is a Windows program for creating, cloning, and flashing a disk image. DSK is one of its supported disk image formats. This file format is classified as Disk Image.
ZX Spectrum-Emulator (data) by ZX Spectrum-Emulator Developer
ZX Spectrum-Emulator is a Windows program that emulates ZX Spectrum 8bit computers developed by Sinclair. It uses data saved in a DSK file. This file format is classified as Data.

DSK file extension format:

A file format defines how the data in the file is structured. The initial characters of a file are called signature, sometimes also referred to as "magic bytes". The signature can be used to infer the file format. However, different programs can use the same file extension, and file extensions can be assigned incorrectly. When there is a problem with a file, the first step to solving it is to determine the file format. In the following you will find our evaluation of the DSK files:

You will often come across the DSK file type. This does not have a uniform file format. However, the following two file formats are common:

9% of all DSK files are associated with Apple II DOS 3. They consist of illegible, cryptic characters. DSK files are between 140 KB and 140 KB in size. The files contain the following words: +JJJJ. These files are often associated with crack, adventure, black and side.
7% of all DSK files belong to Extended CPCEMU style disk image. These are binary files, so they do not contain words or text. The file size is in the range of 190 KB to 380 KB. The files contain the following words: EXTENDED CPC DSK File and Disk-Info.

All other DSK files (84%) have no consistent format, often, for example, Generic PC disk image, Apple II ProDOS disk image, CP/M non-bootable disk image, CPCEMU Disk image format, IBM SKF disk image, Turbo Pascal Desktop and Turbo C Context. These files sometimes refer to disk, device, games, local, cauldron or boot. Drag & drop your file here to see the file format and a preview of your DSK file!

Technical Data for DSK File Extension

File classification:

Disk Image

Related files:

dks, disk, img, sdk, zip, imd, flag, jpg, cpm, mgx, txt, dll, exe, dmg, xapk, rom, ldb, hfs

Mime type:

application/octet-stream

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and file extension information submitted by users.

ProgramID: DiskProbe.Document, FileType: DiskProbe Document, AppName: WinNT Sector Editor

ProgramID: DiskImage
EXEFile: C:\mp3z\NES\Apple II\APPLEWIN.EXE %1

ProgramID: DiskImage
EXEFile: G:\Amiga\Disco2\Emuladores\AppleII\AppleWin\Applewin.exe %1

ProgramID: WinImage
EXEFile: %ProgramFiles%\FILEDISK\WinImage\winimage.exe %1

ProgramID: WinImage
EXEFile: %ProgramFiles%\WinImage\winimage.exe %1

ProgramID: WinImage
EXEFile: C:\WinImage\winimage.exe %1

ProgramID: WinImage
EXEFile: V:\BootDisks\WinImage 5\WINIMAGE.EXE %1

ProgramID: WinImage
EXEFile: C:\unzipped\winima70[1]\winimage.exe %1

ProgramID: WinImage
EXEFile: C:\Documents and Settings\Owner\My Documents\winima61\winimage.exe %1

ProgramID: DiskImage
EXEFile: C:\Documents and Settings\Josh Allen\My Documents\GAMES\AppleWin\APPLEWIN.EXE %1

ProgramID: WinImage
EXEFile: E:\Unknown\Winimage\WINIMAGE.EXE %1

ProgramID: WinImage
EXEFile: %ProgramFiles%\Copy Burn Rip\WinImage\winimage.exe %1

ProgramID: MimarSinan Codex
EXEFile: %SystemRoot%\explorer.exe /idlist,%I,%L

ProgramID: Spectaculator.DiskImage.1
EXEFile: %ProgramFiles%\spectaculator.com\Spectaculator 6\SpecStub.exe

ProgramID: DiskProbe.Document
EXEFile: %ProgramFiles%\ACCESS~1\SUPPOR~1\dskprobe.exe

ProgramID: DiskProbe.Document
EXEFile: %ProgramFiles%\SUPPOR~1\dskprobe.exe

ProgramID: DiskProbe.Document
EXEFile: %ProgramFiles%\dskprobe.exe

ProgramID: WinImage
EXEFile: %ProgramFiles%\PowerQuest\Drive Image 2002\PqVFedit.exe

ProgramID: DiskProbe.Document
EXEFile: %ProgramFiles%\ARC1F\dskprobe.exe

ProgramID: DSK.Document
EXEFile: %ProgramFiles%\deskcalc pro\deskcalc.exe

ProgramID: WinImage
EXEFile: %ProgramFiles%\WinImage\winimage.exe

ProgramID: SKFile
EXEFile: C:\Varian\CARYWI~1\ScanningKinetics.exe

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a dsk disk image is a special file format by Apple and should only be edited and saved with the appropriate software.

How to solve problems with DSK files

Associate the DSK file extension with the correct application.
Update your software that should actually open disk images. Because only the current version supports the latest DSK file format. Search, therefore, e.g. on the Apple manufacturer website after an available Disk Utility update.
To make sure that your DSK file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .DSK file online - secure, fast, and no downloads needed.