MOF File Extension

What is MOF file?

MOF files are associated with Desktop Management Task Force software available for various Windows platforms.

What kind of data MOF files store?

MOF files store data in plain text using UTF-8 or Unicode encoding. MOF files contain class and instance declarations written in Managed Object Format language. MOF files are used for managing WMI settings and resources.

What is WMI?

WMI (short for Windows Management Instrumentation) is a set of protocols for system resource data interchange and communication. WMI allows users to manage many system components such as NICs, control system processes, read system sensor data, etc. MOF files store instructions and structures (such as classes) that define the process communication and data exchange in Microsoft Windows systems.

Programs which support MOF file extension

Below is a table that list programs that support MOF files. Files with MOF extension, just like any other file formats, can be found on any operating system. The files in question may be transferred to other devices, be it mobile or stationary, yet not all systems may be capable of properly handling such files.

Updated: 06/11/2022

How to open file with MOF extension?

There can be multiple causes why you have problems with opening MOF files on given system. On the bright side, the most encountered issues pertaining to Managed Object Format files aren’t complex. In most cases they can be addressed swiftly and effectively without assistance from a specialist. The list below will guide you through the process of addressing the encountered problem.

Step 1. Install Windows Notepad software

The main and most frequent cause precluding users form opening MOF files is that no program that can handle MOF files is installed on user’s system. The most obvious solution is to download and install Windows Notepad or one to the listed programs: Text editor, Microsoft Windows, Microsoft Systems Management Server (SMS). The full list of programs grouped by operating systems can be found above. One of the most risk-free method of downloading software is using links provided by official distributors. Visit Windows Notepad website and download the installer.

Step 2. Update Windows Notepad to the latest version

You still cannot access MOF files although Windows Notepad is installed on your system? Make sure that the software is up to date. Software developers may implement support for more modern file formats in updated versions of their products. If you have an older version of Windows Notepad installed, it may not support MOF format. The most recent version of Windows Notepad is backward compatible and can handle file formats supported by older versions of the software.

Step 3. Set the default application to open MOF files to Windows Notepad

If the issue has not been solved in the previous step, you should associate MOF files with latest version of Windows Notepad you have installed on your device. The next step should pose no problems. The procedure is straightforward and largely system-independent

Selecting the first-choice application in Windows

• Choose the Open with entry from the file menu accessed by right-mouse clicking on the MOF file
• Select Choose another app → More apps
• To finalize the process, select Look for another app on this PC entry and using the file explorer select the Windows Notepad installation folder. Confirm by checking Always use this app to open MOF files box and clicking OK button.

Selecting the first-choice application in Mac OS

• Right-click the MOF file and select Information
• Open the Open with section by clicking its name
• From the list choose the appropriate program and confirm by clicking Change for all....
• A message window should appear informing that This change will be applied to all files with MOF extension. By clicking Continue you confirm your selection.

Step 4. Verify that the MOF is not faulty

If you followed the instructions form the previous steps yet the issue is still not solved, you should verify the MOF file in question. Problems with opening the file may arise due to various reasons.

1. Check the MOF file for viruses or malware

If the MOF is indeed infected, it is possible that the malware is blocking it from opening. Immediately scan the file using an antivirus tool or scan the whole system to ensure the whole system is safe. If the MOF file is indeed infected follow the instructions below.

2. Ensure the file with MOF extension is complete and error-free

If you obtained the problematic MOF file from a third party, ask them to supply you with another copy. It is possible that the file has not been properly copied to a data storage and is incomplete and therefore cannot be opened. When downloading the file with MOF extension from the internet an error may occurred resulting in incomplete file. Try downloading the file again.

3. Check if the user that you are logged as has administrative privileges.

Some files require elevated access rights to open them. Log in using an administrative account and see If this solves the problem.

4. Check whether your system can handle Windows Notepad

If the systems has insufficient resources to open MOF files, try closing all currently running applications and try again.

5. Check if you have the latest updates to the operating system and drivers

Latest versions of programs and drivers may help you solve problems with Managed Object Format files and ensure security of your device and operating system. It may be the case that the MOF files work properly with updated software that addresses some system bugs.

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