MCW file: How can I open a .MCW file?
The table below provides useful information about the .mcw file extension. It answers questions such as:
- What is the .mcw file?
- What program do I need to open a .mcw file?
- How can the .mcw file be opened, edited or printed?
- How can I convert .mcw files to another format?
We hope you find this page helpful and a valuable resource.
✅ Microsoft Word for Macintosh Document

The MCW file is a Microsoft Word for Macintosh Document.
✅ MPLAB IDE Workspace

The MCW file is an MPLAB IDE Workspace file. MPLAB Integrated Development Environment (IDE) is a free, integrated toolset for the development of embedded applications employing Microchip's PIC and dsPIC microcontrollers.
✅ Monitor Calibration Wizard Data

The MCW file is a Monitor Calibration Wizard Data. Monitor Calibration Wizard is an easy-to-use tool for calibrating the colors displayed by your monitor.
✅ Macaw Project

The MCW file is a Macaw Project. Macaw is a commercial WYSIWYG editor used for web development.
⚠ Be careful with .mcw files.
It's important to know that the .mcw file extension can be used by various programs, not just the ones you expect. This includes potentially harmful software or malware that might create .mcw files. Be cautious when dealing with .mcw files from unknown sources.
🚫 The .mcw file extension is often given incorrectly!
According to the searches on our site, these misspellings were the most common in the past year:
Is it possible that the filename extension is misspelled?
We found the following similar file extensions in our database:
🔴 Can't open a .mcw file?
When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:
Select an app to open this .mcw file
It means that the operating system does not have a default app associated with the .mcw file type. To resolve this issue and open the file, you can take the following steps:
- Right-click on the .mcw file. A context menu will appear.
- From the context menu, select Open with. Windows will display a list of recommended apps.
- If the desired app is listed, select it from the provided options.
- If you cannot find the appropriate app, you may need to install software that supports the specific file type.
If you don't know how to change the default app for the .mcw file, check the FAQ.
🔴 Can I change the extension of files?
Changing the filename extension of a file is not a good idea. The extension of a file serves as a hint to the operating system and various software programs about the type of data contained within the file. When you alter a file's extension, you essentially modify how software applications interpret and handle that file. Every file has a specific format, also known as its file type or file format. The problem is, changing the file extension does not change the file format.
If you have helpful information about the .mcw file extension, write to us.