M1S file icon

M1S File Extension

MPEG-1 System Stream

What is M1S file?

M1S filename suffix is mostly used for MPEG-1 System Stream files. M1S file format is compatible with software that can be installed on Windows system platform. M1S file belongs to the Video Files category just like 546 other filename extensions listed in our database. The software recommended for managing M1S files is Adobe Mocha for Adobe After Effects. Adobe Mocha for Adobe After Effects software was developed by Adobe Systems Incorporated, and on its official website you may find more information about M1S files or the Adobe Mocha for Adobe After Effects software program.

Programs which support M1S file extension

Programs that can handle M1S files are as follows. Files with M1S suffix can be copied to any mobile device or system platform, but it may not be possible to open them properly on target system.

Programs that support M1S file

How to open file with M1S extension?

Being unable to open files with M1S extension can be have various origins. Fortunately, most common problems with M1S files can be solved without in-depth IT knowledge, and most importantly, in a matter of minutes. The list below will guide you through the process of addressing the encountered problem.

Step 1. Get the Adobe Mocha for Adobe After Effects

Install software to open M1S file The most common reason for such problems is the lack of proper applications that supports M1S files installed on the system. The solution is straightforward, just download and install Adobe Mocha for Adobe After Effects. On the top of the page a list that contains all programs grouped based on operating systems supported can be found. One of the most risk-free method of downloading software is using links provided by official distributors. Visit Adobe Mocha for Adobe After Effects website and download the installer.

Step 2. Check the version of Adobe Mocha for Adobe After Effects and update if needed

Update software that support file extension M1SYou still cannot access M1S files although Adobe Mocha for Adobe After Effects is installed on your system? Make sure that the software is up to date. Software developers may implement support for more modern file formats in updated versions of their products. This can be one of the causes why M1S files are not compatible with Adobe Mocha for Adobe After Effects. The most recent version of Adobe Mocha for Adobe After Effects is backward compatible and can handle file formats supported by older versions of the software.

Step 3. Set the default application to open M1S files to Adobe Mocha for Adobe After Effects

After installing Adobe Mocha for Adobe After Effects (the most recent version) make sure that it is set as the default application to open M1S files. The process of associating file formats with default application may differ in details depending on platform, but the basic procedure is very similar.

Associate software with M1S file on Windows

The procedure to change the default program in Windows

  • Choose the Open with entry from the file menu accessed by right-mouse clicking on the M1S file
  • Click Choose another app and then select More apps option
  • The last step is to select Look for another app on this PC option supply the directory path to the folder where Adobe Mocha for Adobe After Effects is installed. Now all that is left is to confirm your choice by selecting Always use this app to open M1S files and clicking OK.
Associate software with M1S file on Mac

The procedure to change the default program in Mac OS

  • By clicking right mouse button on the selected M1S file open the file menu and choose Information
  • Proceed to the Open with section. If its closed, click the title to access available options
  • Select Adobe Mocha for Adobe After Effects and click Change for all...
  • A message window should appear informing that This change will be applied to all files with M1S extension. By clicking Continue you confirm your selection.

Step 4. Ensure that the M1S file is complete and free of errors

If you followed the instructions form the previous steps yet the issue is still not solved, you should verify the M1S file in question. Problems with opening the file may arise due to various reasons.

Check M1S file for viruses
1. Verify that the M1S in question is not infected with a computer virus

If the file is infected, the malware that resides in the M1S file hinders attempts to open it. Scan the M1S file as well as your computer for malware or viruses. If the scanner detected that the M1S file is unsafe, proceed as instructed by the antivirus program to neutralize the threat.

2. Verify that the M1S file’s structure is intact

Did you receive the M1S file in question from a different person? Ask him/her to send it one more time. During the copy process of the file errors may occurred rendering the file incomplete or corrupted. This could be the source of encountered problems with the file. When downloading the file with M1S extension from the internet an error may occurred resulting in incomplete file. Try downloading the file again.

3. Verify whether your account has administrative rights

Some files require elevated access rights to open them. Log in using an administrative account and see If this solves the problem.

4. Check whether your system can handle Adobe Mocha for Adobe After Effects

The operating systems may note enough free resources to run the application that support M1S files. Close all running programs and try opening the M1S file.

5. Check if you have the latest updates to the operating system and drivers

Up-to-date system and drivers not only makes your computer more secure, but also may solve problems with MPEG-1 System Stream file. Outdated drivers or software may have caused the inability to use a peripheral device needed to handle M1S files.

Do you want to help?

If you have additional information about the M1S file, we will be grateful if you share it with our users. To do this, use the form here and send us your information on M1S file.

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