Open H264 files

  • Full name
    H.264 Video Format
  • Developer
  • Popularity
Have you encountered a problem with a H264 file? Don’t you know which program opens a file with this extension? You will find all the information you need about working with a H264 file here. In the further part of this page we have added a list of programs that should open your H264 file. It is enough you choose a proper application for your operating system, download and install it.

What is H264 file?

Files ending in H264 contain a video stream encoded using the H.264 method.

More info

This process is also referred to as H.264 / MPEG-4 Part 10 or AVC (Advanced Video Coding) and is a standard for efficient, lossy compression of video data. It is mainly used for high-resolution material. For example, H.264 is used on BluRay discs, as a transmission format of HD channels and in Flash videos.

The bitstream contains only the encoded data without any further information, such as refresh rate or resolution. The file also contains no audio.

The extension is not necessarily recognized, but any player playing H.264 should be able to view the file. Occasionally, however, an H.264-capable container, such as MP4 or FLV because of the content with the extension H264 marked. This is wrong.

Programs which can open a H264 file

How to open file with H264 extension?

In order to open a file with H264 extension one of the following programs must be installed on user’s system. If a problem with opening H264 file occurred, it is highly possible that none of the listed programs is present on user’s system. Even if one or more said programs are installed, there may be issues related with given programs. In order to solve a problem with H264 files, follow the instructions below.
Install QuickTime Player or other program from the list

Most often resolving problems with opening H264 files is very simple. Just install an appropriate program that supports such files. All of the listed programs support H264 files, but may vary in offered function and purpose. Some programs may be capable only of viewing contents of H264 files or offer file conversion options, but may not be capable of editing such files.

Set QuickTime Player as the default program for opening H264 files

It is possible that although a compatible program has been installed on user’s system, it is not used by the system to open it. This may happen because no default application was associated with this type of files. To associate H264 files with given application, select "Open with" from drop-down menu (accessed by right-clicking on the file). Then select from the list the program or application you want to be used to open this type of file. If the QuickTime Player applications is not on the list, select "Browse" option in order to manually locate the directory where QuickTime Player has been installed.


Check the section that lists most common problems with H264 files

Sometimes problems with opening H264 files may not lie with the application itself, but can arise due to other causes, such as:

  • File data is corrupted
  • H264 files has been not been completely download from the internet (only a part of the data has been downloaded)
  • Currently used user account hasn’t been granted necessary privileges to open H264 files (should that be the case, please contact your system administrator or IT specialist)
  • H264 file was being copied from a corrupted storage device and is incomplete or data is corrupted. (Copying files from unknown or untrusted sources should be conducted with great care as such files may contain malicious software, which can damage your system)