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Disk image
File type: Disk image (ISO) binary file
Files with dsk file extension can be commonly found as various disk files. Used as extensions since the time of DOS and APPLE II.
Found 11 different file type records with the same dsk filename suffix.
File type category:
Disk image (ISO) binary file
Date updated: July 13, 2025
File extension dsk is used for a disk image format. The "disk image" is typically a file containing every data byte on a diskette, i.e. Catalog tracks, files, DOS (if present) etc. One kind of disk image, NIB, tries to preserve all disk information (e.g. sector headers, sync bytes, etc.).
Apple II emulators running on a PC, Mac, etc. treat disk image files like diskettes. Disk image files are also a handy way to archive Apple II disks on hard disk and to maintain wares on ftp and other download sites.
These dsk (usually .dsk) files are disk image files used by popular Apple II emulators like AppleWin to run A2 wares on the PC or Mac.
Use ISOBuster or similar programs to handle the .dsk files.
Several disk image handling utilities can probably convert .dsk files.
Software applications that can open dsk files:
Microsoft Windows
Apple macOS / Mac OS X
Software apps that import dsk files:
Microsoft Windows
Software apps that extract dsk files:
Microsoft Windows
Apple macOS / Mac OS X
Software apps that burn dsk files to disc:
Microsoft Windows
File type category:
Settings, options, themes or skins file
Date updated: December 5, 2016
The dsk file extension is also related to Delphi integrated development environment for Microsoft Windows and used for one of its default file types.
This type of dsk file contains information about the desktop settings, including which files are open and the position of windows.
These files are generated when you save settings in Delphi IDE, but you cannot open them manually.
This file type is not meant to be converted to anything else.
Software apps that manage or store settings in dsk files:
Microsoft Windows
File type category:
Various data file
Date updated: August 14, 2018
The dsk file extension was also used in old Lotus Notes program from IBM.
These dsk files contain saved design elements for the program. Might be obsolete and no longer used program.
Probably not meant to be accessed by the user.
Probably cannot be converted to anything else.
Software applications that handle other tasks involving dsk files:
Microsoft Windows
File type category:
Backup file
Date updated: April 19, 2024
Record marked as obsolete and not updated for a long time.
The dsk file extension is associated with the Microsoft Windows XP operating system for IBM-PC compatible computers.
The dsk file stores backup data used for Microsoft Windows XP system restore.
You can restore these backups in Windows XP.
No conversion possible, just recovery.
Software apps that create dsk files:
Microsoft Windows
Software apps that backup dsk files:
Microsoft Windows
Software apps that recover dsk files:
Microsoft Windows
Operating system crashes, malware, hardware fails, human factor, just a few examples of how you can...
File type category:
Backup file
Date updated: January 2, 2019
Record marked as obsolete and not updated for a long time.
The dsk file extension is also related to MSX-DOS, a Disk operating system developed by Microsoft for the 8-bit home computer standard MSX, and is a cross between MS-DOS rev 1.0 and CP/M.
The dsk file stores disk image.
These files were originally accessed in MS-DOS via proper driver and command.
It is unlikely any modern modern program can convert this file type to anything else.
File type category:
System file
Date updated: May 27, 2019
Record marked as obsolete and not updated for a long time.
The dsk file extension is associated with the NetWare a computer networking operating system developed by Novell.
The .dsk file stores a disk driver for the Novell NetWare operating system.
Use compatible tools to work with *.dsk files.
Probably can be exported to other formats.
Software applications that handle other tasks involving dsk files:
Microsoft MS-DOS
File type category:
Emulator file
Date updated: July 24, 2019
Record marked as obsolete and not updated for a long time.
The dsk file extension is associated with emulators of SHARP MZ 8-bit computer based on Zilog Z80 processor platform and released in the 1978.
The dsk file stores various data used by these emulators.
Probably not meant to be accessed by the user.
Probably cannot be converted to anything else.
File type category:
Database file
Date updated: March 26, 2019
Record marked as obsolete and not updated for a long time.
The dsk file extension is associated with the Simple IDs, a simple identification card creator program for Microsoft Windows operating system.
The dsk file stores main database used by Simple IDs.
Use compatible tools to work with *.dsk files.
Software applications that can open dsk files:
Microsoft Windows
Simple IDs
Software applications that can edit dsk files:
Microsoft Windows
Simple IDs
Software capable of saving dsk files:
Microsoft Windows
Simple IDs
Software apps that create dsk files:
Microsoft Windows
Simple IDs
File type category:
Virtual machine, virtualization software related file
Date updated: June 29, 2024
Record marked as obsolete and not updated for a long time.
The dsk file extension was also used by earlier versions of VMware products for files that contain saved virtual disks from a virtual machine build.
The latest versions of VMware are using the VMDK file extension instead.
You can work with these files using VMware virtualization programs, provided you have all of the files of the virtual machine system.
Generally speaking, whole virtual machines can be transfered from one virtualization plarform to another, let's say from VMWare to VirtualBox. However, you can rarely do a conversion for just certain parts of the whole virtual machine, like the disk images.
Software applications that can open dsk files:
Microsoft Windows
Software apps that create dsk files:
Microsoft Windows
File type category:
Disk image (ISO) binary file
Date updated: February 4, 2019
The dsk file extension is also associated with WinImage, a fully-fledged disk-imaging suite for Microsoft Windows used for easy creation, reading and editing of many image formats and fileystems.
This type of .dsk files stores disk image created by WinImage.
You can 100% open this file type using WinImage. However, some other disk image tools may also be able to access this specific file type.
Various disk image formats can be usually converted between each other so they can be used in other programs.
File type category:
Emulator file
Date updated: December 5, 2018
Record marked as obsolete and not updated for a long time.
The dsk file extension is associated with emulators of ZX Spectrum, a family of 8-bit home computers developed by Sinclair Research and popular in the 1980s.
The dsk file perhaps stores floppy disk, or cassette image.
You should be able to open these files using some ZX Spectrum compatible emulators.
Emulator files are rarely converted to anything else, so a conversion of this file type is unlikely.
Software applications that can open dsk files:
Linux/Unix
XZX-Pro
Software applications that handle other tasks involving dsk files:
Linux/Unix
XZX-Pro
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