M2TS File Extension

What is M2TS file?

An .M2TS file format is an MPEG-2 transport stream container format that is used to stream multiplexed audio, video, and other streams on the Blu-ray disc. The standard video compression format used in the .M2TS file format includes H.262/MPEG-2 Part 2, SMPTE VC-1 or H.264/MPEG-4 AVC, and the standard audio compression format used in the .M2TS file format includes, Dolby Digital and DTS.

Programs which support M2TS file extension

Below you will find an index of software programs that can be used to open M2TS files divided into 3 categories according to system platform supported. M2TS files can be encountered on all system platforms, including mobile, yet there is no guarantee each will properly support such files.

Updated: 01/15/2023

How to open file with M2TS extension?

Problems with accessing M2TS may be due to various reasons. What is important, all common issues related to files with M2TS extension can be resolved by the users themselves. The process is quick and doesn’t involve an IT expert. We have prepared a listing of which will help you resolve your problems with M2TS files.

Step 1. Get the Windows Media Player

Problems with opening and working with M2TS files are most probably having to do with no proper software compatible with M2TS files being present on your machine. This issue can be addressed by downloading and installing Windows Media Player or different compatible program, such as PowerDVD, Adobe Flash Professional, Sony Vegas Pro. Above you will find a complete listing of programs that support M2TS files, classified according to system platforms for which they are available. If you want to download Windows Media Player installer in the most secured manner, we suggest you visit Microsoft Corporation website and download from their official repositories.

Step 2. Verify the you have the latest version of Windows Media Player

You still cannot access M2TS files although Windows Media Player is installed on your system? Make sure that the software is up to date. Sometimes software developers introduce new formats in place of that already supports along with newer versions of their applications. This can be one of the causes why M2TS files are not compatible with Windows Media Player. The latest version of Windows Media Player should support all file formats that where compatible with older versions of the software.

Step 3. Set the default application to open M2TS files to Windows Media Player

After installing Windows Media Player (the most recent version) make sure that it is set as the default application to open M2TS files. The next step should pose no problems. The procedure is straightforward and largely system-independent

The procedure to change the default program in Windows

• Right-click the M2TS file and choose Open with option
• Select Choose another app → More apps
• Finally select Look for another app on this PC, point to the folder where Windows Media Player is installed, check the Always use this app to open M2TS files box and conform your selection by clicking OK button

The procedure to change the default program in Mac OS

• Right-click the M2TS file and select Information
• Find the Open with option – click the title if its hidden
• Select Windows Media Player and click Change for all...
• A message window should appear informing that This change will be applied to all files with M2TS extension. By clicking Continue you confirm your selection.

Step 4. Verify that the M2TS is not faulty

If you followed the instructions form the previous steps yet the issue is still not solved, you should verify the M2TS file in question. Problems with opening the file may arise due to various reasons.

1. Check the M2TS file for viruses or malware

If the M2TS is indeed infected, it is possible that the malware is blocking it from opening. Scan the M2TS file as well as your computer for malware or viruses. If the M2TS file is indeed infected follow the instructions below.

2. Check whether the file is corrupted or damaged

Did you receive the M2TS file in question from a different person? Ask him/her to send it one more time. The file might have been copied erroneously and the data lost integrity, which precludes from accessing the file. When downloading the file with M2TS extension from the internet an error may occurred resulting in incomplete file. Try downloading the file again.

3. Check if the user that you are logged as has administrative privileges.

There is a possibility that the file in question can only be accessed by users with sufficient system privileges. Log in using an administrative account and see If this solves the problem.

4. Verify that your device fulfills the requirements to be able to open Windows Media Player

If the system is under havy load, it may not be able to handle the program that you use to open files with M2TS extension. In this case close the other applications.

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

Latest versions of programs and drivers may help you solve problems with Blu-ray BDAV Video Format files and ensure security of your device and operating system. It may be the case that the M2TS files work properly with updated software that addresses some system bugs.

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