DPOF auto print order data
File type: Settings, options, themes or skins file
Files with mrk extension can be found as some kind of data files in Digital Print Order Format.
Found 3 different file type records with the same mrk filename suffix.
File type category:
Settings, options, themes or skins file
Date updated: December 31, 2024
File extension mrk is related to DPOF format (Digital Print Order Format).
The DPOF format will record information allowing images captured by digital cameras to be automatically printed through photofinishing print services or home printers, functioning as a kind of digital "order envelope." Users of digital cameras will be able to select the photos they want printed directly in the camera without using a computer.
The DPOF file is written to the camera's removable media such as Compact Flash and this information is read by home printers, photofinishing services and software applications.
Use any text editor to open and edit *.mrk files.
We do not know about any direct conversion for *.mrk files, but you can treat them as any other text file.
Software applications that can open mrk files:
Microsoft Windows
Apple macOS / Mac OS X
Linux/Unix
Software applications that can edit mrk files:
Microsoft Windows
Apple macOS / Mac OS X
Linux/Unix
Software capable of saving mrk files:
Microsoft Windows
Apple macOS / Mac OS X
Linux/Unix
File type category:
Game file
Date updated: December 20, 2018
Record marked as obsolete and not updated for a long time.
The mrk file extension is associated with MissionRisk, a computer strategy game based on Risk.
Most likely some old format without support from developer. No further information could be found.
Software applications that handle other tasks involving mrk files:
Microsoft Windows
File type category:
Miscellaneous file
Date updated: September 22, 2026
SleepScan and Ceegraph are clinical diagnostic software programs developed by Bio-logic Systems Corp. Their .mrk files contain comments entered by technicians while using the software.
The file is part of the applications' data and is intended to be read by the corresponding SleepScan or Ceegraph software. It is not a general-purpose document or interchange format.
Open the file with the compatible SleepScan or Ceegraph installation from Bio-logic Systems Corp. Because it is application data, it may not display meaningful content in a text editor or other general-purpose program.
The file is specific to SleepScan and Ceegraph and may require the compatible software for conversion or export. If the comments must be preserved in another form, use any reporting or export function provided by the software.
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