SMIL File Extension
SMIL Presentation Format
- File Type smil
- Developer SYMM Working Group
- Popularity
- Application RealPlayer
- Category Web Files
- Format Text
What is a SMIL file?
SMIL Presentation Format, identified by the SMIL extension, is a Web Files type and includes 283 files.
SMIL files are supported by Windows and Mac OS. You can play a SMIL file using one of 4 programs, for example RealPlayer, KMPlayer and Internet Explorer.
MIME types
- application/smil
Programs that support SMIL files
Mac OS
How to open a SMIL file?
The most common reason why a SMIL file cannot be opened is the absence of required software. To fix this, select a compatible program from the list. Then visit the official developer website via the provided link, download the program, and install it on your system.
The most popular programs for working with SMIL files are RealPlayer, KMPlayer and Internet Explorer. To get the latest version of RealPlayer, open the RealNetworks website where a universal installer for all operating systems is available.
Once setup is done, your operating system should assign RealPlayer as the default app for SMIL files.
Make RealPlayer the default SMIL viewer
Changing the default program in Windows
- Start by right-clicking on your SMIL file and selecting the "Open With" option. From there, click "Choose another app" to continue;
- Inside the popup window, scroll through the list of applications and specifically choose RealPlayer as the application to associate with your SMIL file;
- Check the "Always use this app" checkbox and click "OK".
Change the default app to open files on Mac
- Right click or use Control + Left Click on the desired SMIL file to access a dropdown menu of actions;
- Select "Open in application" and click "Other";
- Scroll down to the bottom of the window, where you will find the "Enable" menu. Default, "Recommended Programs" will be selected;
- In this menu, choose "All Programs" and navigate to RealPlayer. Check the box next to "Always open in app" to make it the default program.
Finding answers to SMIL file problems
If you encounter issues with SMIL files, don’t worry—most can be fixed with minor software adjustments. Refer to the troubleshooting tips below.
What are the signs that my SMIL file is damaged?
Corrupted SMIL web files may have one or more of the following symptoms:
- Opening or processing the file in RealPlayer or other programs causes instability or crashes in the program;
- The file shows errors when trying to open it or does not open completely;
- Unexpected expansion of the total size of the SMIL file;
- Working with the file triggers the display of error messages;
Why does RealPlayer quit or crash unexpectedly?
RealPlayer crashes can be attributed to outdated software. Make sure you have installed the latest updates for RealNetworks products.
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 methods can be used to repair a damaged SMIL file?
Use a recovery program to open the damaged SMIL file and navigate to the "Repair" menu item. Wait for the recovery process to finish, as it will automatically repair damaged web files.