File Extension Library


.M1S File Extension

  • Developer by: Adobe Systems Incorporated
  • Category: Digital video and movie Files

What are .M1S files and how to open them?

Can't open .M1S file? Are you wondering what it contains? On our site we will explain to you what this file is, what it is used for and what software opens the .M1S file.

What is a .M1S file extension?

.M1S file extension is created by Adobe Systems Incorporated. .M1S has been classified as Digital video and movie Files.

.M1S is MPEG-1 system stream

The m1s file extension is container format for multiplexing digital audio, video in MPEG-1 multimedia file format.

The m1s file contains multimedia data. It used to streaming to digital devices.

.M1S file format is deprecated and this file format is no longer supported.

Currently, .M1S file type is not actively used and is obsolete. This usually happens with system files in older operating systems, files from long-discontinued software, or with previous versions of some file types (documents, projects, images, etc.) that were replaced in later versions of the original programs.


How to open:

Use compatible tools to playback *.m1s files.

How to convert:

Compatible tools are able to export m1s files to other formats.

How to fix problems with .M1S files

  1. You need to update the application that you normally use to open .M1S files. Only the latest version of the software supports the current .M1S file format
  2. You need to check the .M1S file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)