FILExt - The File Extension Source

Details for file extension .MRK are on this page. Because there is no central registry for file extensions and their associated programs there may be multiple entries on this page. And, because there are many (some say over a million) such associations not all may be listed here.

TIP: Click here to run a FREE scan for .MRK related errors.

Windows can't open .MRK files?
If Windows is unable to open files with the extension .MRK you may not have the appropriate program installed or, you may have registry errors. To help, we strongly recommend you run this free registry scan.

A search on the file extension you submitted shows 6 record(s). The details for each of these are shown below. The best FILExt can do for you is provide the details we know about. Selecting the information that applies to your particular situation is up to you. Use any hints provided. If the information here is not helpful, FILExt is sorry; but as a research site FILExt cannot provide personal support. If you need further information you might try the research tips on the FILExt Help Me page.

Extension: MRK
Program and/or Extension Function [What's This?]		Company [What's This?]
CSI Markup File
Specific Notes [What's This?]
CAD format. Recommended: Find MRK errors now.
MIME Type [What's This?]	File Classification [What's This?]	Associated Links [What's This?]
		None
Identifying Characters [What's This?]
Hex: 3C 41 54 48 65 61 64 3E ASCII: .ATHead.
Program ID [What's This?]
(None or Unknown)
General Notes [What's This?]
(None)
This is record 7653 last modified on 2008-04-28 and created on 2003-01-14.

Extension: MRK
Program and/or Extension Function [What's This?]		Company [What's This?]
Informative Graphics Markup File
Specific Notes [What's This?]
(None) Recommended: Find MRK errors now.
MIME Type [What's This?]	File Classification [What's This?]	Associated Links [What's This?]
		None
Identifying Characters [What's This?]
Hex: 5B 48 44 52 5D 0D 0A ASCII: [HDR]
Program ID [What's This?]
(None or Unknown)
General Notes [What's This?]
(None)
This is record 7654 last modified on 2006-10-01 and created on 2003-01-14.

Extension: MRK
Program and/or Extension Function [What's This?]		Company [What's This?]
MissionRisk
Specific Notes [What's This?]
Risk-like virtual board game. Recommended: Find MRK errors now.
MIME Type [What's This?]	File Classification [What's This?]	Associated Links [What's This?]
		None
Identifying Characters [What's This?]
(None or Unknown)
Program ID [What's This?]
(None or Unknown)
General Notes [What's This?]
(None)
This is record 13754 last modified on 2003-01-17 and created on 2003-01-17.

Extension: MRK
Program and/or Extension Function [What's This?]		Company [What's This?]
SleepScan and Ceegraph Stores Technician (User) Comments		Bio-logic Systems Corp.
Specific Notes [What's This?]
This file is used by the clinical diagnostic software programs SleepScan and Ceegraph to hold text comments about the EEG recording. Comments include those entered by the user, and system comments about system events like pausing, starting, and stopping. They can be modified post recording. Recommended: Find MRK errors now.
MIME Type [What's This?]	File Classification [What's This?]	Associated Links [What's This?]
		None
Identifying Characters [What's This?]
(None or Unknown)
Program ID [What's This?]
(None or Unknown)
General Notes [What's This?]
(None)
This is record 19491 last modified on 2006-03-19 and created on 2006-03-19.

Extension: MRK
Program and/or Extension Function [What's This?]		Company [What's This?]
TAPCIS Marked Messsage Commands
Specific Notes [What's This?]
TAPCIS is a DOS-based access program for the CompuServe Information Service. The program dates from the 1983 timeframe where it started as an interpreted BASIC program and later became a standalone program. The program was written and supported by Howard Benner and OMNI Information Resources, Inc. as well as Support Group, Inc. of McHenry, MD. The .MRK file is a script command file created during the marking of message headers in processing a .QSN file. Recommended: Find MRK errors now.
MIME Type [What's This?]	File Classification [What's This?]	Associated Links [What's This?]
		None
Identifying Characters [What's This?]
(None or Unknown)
Program ID [What's This?]
(None or Unknown)
General Notes [What's This?]
(None)
This is record 18032 last modified on 2005-04-15 and created on 2005-04-15.

Extension: MRK
Program and/or Extension Function [What's This?]		Company [What's This?]
Windows 95 User Benchmark
Specific Notes [What's This?]
(None) Recommended: Find MRK errors now.
MIME Type [What's This?]	File Classification [What's This?]	Associated Links [What's This?]
		None
Identifying Characters [What's This?]
(None or Unknown)
Program ID [What's This?]
(None or Unknown)
General Notes [What's This?]
Note: This entry has not yet been verified by FILExt. It was submitted to the list and appeared to be accurate; however, no verification links have so far been found on the Internet. Please use this association data with that in mind.
This is record 7655 last modified on 2003-01-14 and created on 2003-01-14.

System Info for File Extension .MRK

FILExt has been given permission to display the file extension database produced by the Associate This! program. Some of that data has already been included into the main FILExt database; but, not all. Those entries which have not yet been incorporated are shown below in the hope that they will be of some use. Data collected by FILExt on registered file extensions from user systems is also in the display. Be aware this is raw data which may require further research on your part to fully understand. In particular, look at the Program ID. Often a company will put the program's name into the short ID that Windows uses to open registered file extensions. If that's not the case, look at the complete path to the EXE file. Often, programs will install themselves into directories that give either the program or company name. The program name itself may also be used as the EXE file name. These listings are particularly important since they represent listings that are in actual use by users who have sumbitted data to FILExt and therefore these listings can point you to the most likely candidate should there be multiple entries in the FILExt main database.

General Info

• If the extension you are looking for is of the form .??_ the file is likely a compressed file and part of an install routine. When the install program runs it will expand the file and replace the underscore with the proper letter for the file type.
• If the file is sent as an audio file with any three-character extension it may be a dictation file where the extension is the dictator's initials; playable by BCB Voice Systems software (see ??? extension). The file could likewise be a dictation file in TrueSpeech format. Use Windows Sound Recorder and/or Media Player to play these back.
• If the extension you are looking for has a number at the end or is only a number and there were no results consider entering the same extension format using zero or one as some programs produce numbered split files but when the split can be extensive (e.g., .000-.999) only the first entry is in the database.

Need more information about any entries on this page? Try a Google search using terms in the above information along with words like "format," "convert," "conversion," and even "hacking." A search box is provided here for your convenience.

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