How to open .SMIL file extension?

If you cannot open a new file that has been saved in the .SMIL format you need to download the appropriate software. The manufacturer of .SMIL files is SYMM Working Group; .SMIL files belong to the Video Files category. After downloading the application from the list available on our website just run an unknown file, and as the default set the newly installed application supporting the .SMIL files. Activities performed in the order described should solve the problems with all the files in the .SMIL format.

• What is .SMIL file?
• How to open .SMIL file?
• What is .SMIL file?