MSW File Extension
Microsoft Word 5 Document Format
- File Type msw
- Developer Microsoft
- Popularity
- Application Microsoft Word
- Category Document Files
- Format Binary
What is a MSW file?
Files with the MSW extension are specifically tied to Microsoft Word 5 Document Format, a Document Files type, and there are 969 files in this category.
The Microsoft Word 5 Document Format (MSW) was developed by Microsoft, which created file format and 242 programs to work with them.
MSW file support extends to various operating systems, including Windows. To open a MSW file, you can choose from 2 programs such as Microsoft Word and Microsoft Office.
How to open a MSW file?
If you cannot open a MSW file, it is most often due to missing software. Select a program from the list according to your operating system. Then go to the official website of the program developer, download it, and install it on your device.
Thanks to their popularity, Microsoft Word and Microsoft Office are often the go-to programs for managing MSW files. If you need the newest version of Microsoft Word, just access the Microsoft website. From there you can download the installer compatible with all systems.
Once Microsoft Word is installed, the OS should configure it as the default tool for opening MSW files.
Make Microsoft Word the default MSW viewer
Change the default app to open files on Mac
- Right click or use Control + Left Click on the desired MSW file to access a dropdown menu of actions;
- Choose "Open in Application" and click "Other";
- Towards the bottom of the window, find the "Enable" menu, which is already set to the default option, "Recommended Programs";
- In this menu, select "All Programs" and search for Microsoft Word. Check the box next to "Always open in app" to make it the default option.
Change a default app in Windows
- Start by right-clicking on your MSW file, then select the "Open with" option and choose "Choose another app" from the menu that appears;
- Inside the popup window, scroll through the list of applications and specifically choose Microsoft Word as the application to associate with your MSW file;
- Check the "Always use this app" checkbox and click "OK".
Finding answers to MSW file problems
If MSW files are giving you trouble, small modifications to your software can help. Check out the troubleshooting tips below to fix these issues.
What can lead to sudden Microsoft Word crashes?
Insufficient updates for Microsoft products can cause Microsoft Word to crash. Be sure to regularly install the latest software updates.
A computer restart is often the key to solving numerous common problems. That’s why, it is recommended to restart the computer before making any changes to the software settings.
What is the recommended approach to repair a damaged MSW file?
Use a recovery program to open the damaged MSW file, and in the menu, click "Repair" to start the repair operation. Wait for the recovery process to finish as it will automatically restore the damaged document files.
What are the ways to check if my MSW file is damaged?
Characteristics of corrupted MSW document files can include:
- The file encounters problems during the opening process or shows error indications;
- Editing the archive in Microsoft Word is hampered by poor overall performance;
- The file causes Microsoft Word or other software to hang or crash during various operations;
- An unexplained increase in the size of the MSW file;
- Actions performed on the file result in the appearance of error notifications;
How to edit a MSW file?
To modify MSW files, you need to install special software that makes it possible to open and edit document files. Online MSW editors are more restricted compared to software designed for Microsoft Word 5 Document Format.
Best MSW editors 2026
According to these factors, we have compiled a list of available MSW editors.
| MSW Editor Software | Developer | Platforms | Overall Rating |
|---|---|---|---|
| Microsoft Word | Microsoft | Windows, Mac OS, Android, Apple iOS | 4.4 out of 5 (39 reviews) |
Convert files to and from MSW
If handling a MSW file is problematic, consider converting it to alternative formats such as PDF, DOC or other supported types.
After converting a MSW file, some capabilities may be limited, but you can often convert it back to the original format.