MME File Extension

Multi-Purpose Internet Mail
- File Type mme
- Popularity
- Application StuffIt Deluxe
- Category Web Files
What is a MME file?
Files with the MME extension are specifically tied to Multi-Purpose Internet Mail, a Web Files type, and there are 283 files in this category.
MME files are supported by Windows and Mac OS. If you need to open a MME file, you can use one of 2 programs, such as StuffIt Deluxe and Microsoft Outlook.
Programs that support MME files
How to open a MME file?
If you’re having difficulty opening a MME file, it is often due to not having the correct software. To solve the problem, choose a compatible program from the list. Then follow the link to the official developer site, download the software, and install it on your device.
StuffIt Deluxe and Microsoft Outlook stand out as the preferred programs to manage MME files effectively. To install the latest version of StuffIt Deluxe on your computer, visit the Smith Micro website where you can download the version available for all operating systems.
After installation, your operating system should automatically open MME files with StuffIt Deluxe.
Set StuffIt Deluxe as the default MME handler
Choose an app to open a file on Mac
- Right click or use Control + left click on the desired MME file to launch the file options menu;
- Choose "Open in Application" and click "Other";
- Next, at the bottom of the window, you will see the "Enable" menu, in which "Recommended Programs" is selected by default;
- In this menu, select "All Programs", then find StuffIt Deluxe and check the box next to "Always open in the application."
Set default programs for Windows
- Start by right-clicking on your MME file, then select "Open With" and continue by clicking "Choose another app" from the options provided;
- In the pop-up window, find and select the StuffIt Deluxe application from the available options;
- Make sure the "Always use this app" checkbox is checked and click "OK" to confirm your choice as the default app for opening MME files.
Effective solutions for MME file problems
There are some common issues with MME files that can be resolved easily by making minor adjustments to your software. Below, you’ll find these issues along with practical troubleshooting tips.
What are the methods to detect if my MME file has been corrupted?
MME web files that have become corrupted may display one or more of the following symptoms:
- An unexplained increase in the size of the MME file;
- Trying to work with the archive in StuffIt Deluxe or other programs causes instability or program crashes;
- The file does not open correctly or displays error messages;
- While working with the file, error alerts are encountered;
Why does StuffIt Deluxe crash?
Insufficient software updates can contribute to StuffIt Deluxe crash. To avoid this, make sure that you have installed the latest updates for Smith Micro products.
Restarting your computer can resolve numerous common problems, so it should be the initial step before changing any software-related settings.
How to repair a corrupted MME file?
Open the damaged MME file in a recovery program and select the "Repair" menu item to start the repair operation. Please wait patiently for the recovery process to finish as it will automatically repair the damaged web files.




