Opening an M01 File

The M01 file type is primarily associated with UNICORN.

M01	File extension: M01
	File type:	method configuration file

What is an M01 file?

M01 files mostly belong to UNICORN.

M01 files are used in different systems. The most common type is a chromatography method file created by the UNICORN Chromatography Data System. These files store experimental parameters and instrument settings that control chromatography runs. For more details, visit Cytiva Life Sciences.

Other uses include:

CTS Touch Terminal files: These record log data and system events from touch terminal devices.
Compressed archive parts: Some M01 files are segments of multi-volume archives that may contain compressed audio.
Testo data logger files: These hold measurement segments from Testo instruments and work with Testo ComSoft Basic. More info is available at Testo.

FilExt.com tip: Since the same extension is used in multiple industries, verifying the file header and origin is essential. Open each file with the appropriate software for reliable viewing and editing.

How to open an M01 file

You need a suitable software like UNICORN to open an M01 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 M01 file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a M01 file directly in the browser:. Just drag the file onto this browser window and drop it.

Online M01 Text Viewer

Choose your .m01 file to analyze

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Online File Viewer

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Programs that open and convert M01 files:

UNICORN
See the previous paragraphs to learn more about the main application. M01 files are often referred to as UNICORN settings because this type of file is primarily created or used by this software.
MicroStation (Modification Resource) by Bentley Systems, Incorporated
MicroStation is used by teams of architects, engineers, contractors and GIS professionals for work on buildings, civil engineering projects, power plants and geospatial information. The identifying characters used for this association are - Hex: 4D 6F 64 69 66 69 63 61 74 69 6F 6E 20 52 65 73 6F 75 72 63 65 20 46 69 6C 65 1A, ASCII: Modification Resource File . This file format is classified as CAD/CAM.

Technical Data for M01 File Extension

File classification:

Settings

Identifier:

Hex: 4D 6F 64 69 66 69 63 61 74 69 6F 6E 20 52 65 73 6F 75 72 63 65 20 46 69 6C 65 1A, ASCII: Modification Resource File (provided by TrID database)

Related files:

m02, m03, 001, mo1, m00, m010, xml, moo, bim, mp4, upf, svf, dgn, log, dat

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: MediaJukebox.File, FileType: MediaJukebox.File, AppName: mjextman

ProgramID: MediaJukebox.File
EXEFile: mjextman.exe /Play %L

ProgramID: MediaJukebox.File
EXEFile: %SystemRoot%\system32\mjextman.exe /Play

an m01 method configuration file is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with M01 files

Associate the M01 file extension with the correct application.
Update your software that should actually open method configuration files. Because only the current version supports the latest M01 file format. Search, therefore, e.g. on the manufacturer website after an available UNICORN update.
To make sure that your M01 file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .M01 file online - secure, fast, and no downloads needed.