.LSF file extension - Advanced Streaming Format
What is lsf file? How to open lsf files?
The lsf file extension is associated with the Advanced Streaming Format developed by Microsoft.
Advanced Streaming Format (sometimes known as Active Streaming Format) is a container format designed by Microsoft to support audio and video playback from a variety of sources including both local playback and internet delivery.
The format is designed to allow playback to commence without the complete file being available. This makes it suitable for internet use where playback can begin soon after download commences or for PVR-type functions such as pausing live TV.
The container can be used to hold a variety of video and audio codecs but it is most commonly used for the WMV and WMA codecs. Other streams such as subtitles can also be included in the format.
The format supports inclusion of meta-data such as video clip name, song title etc. Support for DRM is also provided.
MIME types:
video/x-la-asf
video/x-ms-asf
Updated: October 27, 2024
The default software associated to open lsf file:
Microsoft Windows Media Player 
Company or developer:
Microsoft Corporation
Microsoft Windows Media Player is the default multimedia player/manager pre-installed in Microsoft Windows. WMP can manage music, videos, and pictures on a computer, play or view them, sync them with portable devices, or burn them on CD/DVD media. It also supports home media sharing with other computers. In Windows 11, you can still find it under the name Windows Media Player Legacy.
List of recommended software applications associated to the .lsf file extension
Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open lsf file, edit lsf file, convert lsf file, view lsf file, play lsf file etc. (if exist software for corresponding action in File-Extensions.org's database).
lsf file player - programs that play lsf file - Advanced Streaming Format
Programs supporting the exension lsf on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about Microsoft Windows Media Player for play lsf file action.
