All about MF1 Files

The MF1 file type is primarily associated with Moldflow.

MF1	File extension: MF1
	File type:	CAD file

What is an MF1 file

MF1 files mostly belong to Moldflow. MF1 files are a specific CAD file format used to store design and simulation data. They are primarily produced by Moldflow and serve as a neutral file that can work with different CAD systems, including Pro/ENGINEER.
This format allows engineers to exchange detailed models and simulation information, particularly for injection molding processes.
Key details summarized by FilExt.com:

It is a neutral CAD format meant for simulation and design data.

It supports data exchange between different engineering platforms.

It is used by Moldflow and recognized as a Pro/ENGINEER neutral file.

FilExt.com tip: For more detail, see the official Moldflow overview.

How do you open MF1 files?

You need a suitable software like Moldflow to open an MF1 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 MF1 file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a MF1 file directly in the browser:. Just drag the file onto this browser window and drop it.

Online MF1 Text Viewer

Choose your .mf1 file to analyze

or drag and drop it here

Online File Viewer

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Programs that open and convert MF1 files:

Moldflow
See the previous paragraphs to learn more about the main application. MF1 files are often referred to as Moldflow cads because this type of file is primarily created or used by this software.
NXI-deas (Model File) by Ford
Software originally developed by Ford in the 80's. This file type is legacy as Siemens ultimately owns NX now. They did away with I-deas and simply call it NX now and use a different file structure. MF1 files are your main model files and essentially contain the part files info.

Technical Data for MF1 File Extension

File classification:

CAD

Related files:

prt, sldprt, step, igs, mf2, wf1, x_t, x_b, jt, dwg, dxf

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: SDRC.ModelFile
EXEFile: %ProgramFiles%\ideas10\bin\ideas.cmd -g -q -m

an mf1 CAD file is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with MF1 files

Associate the MF1 file extension with the correct application.
Update your software that should actually open cad files. Because only the current version supports the latest MF1 file format. Search, therefore, e.g. on the manufacturer website after an available Moldflow update.
To make sure that your MF1 file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .MF1 file online - secure, fast, and no downloads needed.