H.264/MPEG-4 AVC video data file
File type: Digital video and movie file
Files with 264 extension are video files encoded in H.264/MPEG-4 AVC standard, which is currently one of the most common formats used for distribution of High Definition video. The format is probably best known for being used on Blu-ray discs. Media players that are able to play Blu-ray discs will be able to open 264 files as well.
Found 2 different file type records with the same 264 filename suffix.
File type category:
Digital video and movie file
Date updated: July 13, 2025
File extension 264 is associated with the H.264/MPEG-4 AVC video format. This file extension is often used for H.264 video in RAW format before its conversion to the standard H.264 video formats, that are playable in the most media players.
The H.264/AVC video codec was introduced in 2003 as a successor of H.263 codec and it is used to provide good video quality through low bitrate connection (average half bitrate and the same quality as MPEG-2). Now is used as a standard applied to a wide variety of applications on a wide variety of networks and systems including low and high bit rates, low and high resolution video, broadcast, DVD storage, RTP/IP packet networks, and ITU-T multimedia telephony systems.
In 2004 the original H.264 codec was extended by FRExt (Fidelity Range Extensions) developed by JVT that enable higher quality video coding by supporting increased sample bit depth precision and higher-resolution color information, including sampling structures known as YUV 4:2:2 and YUV 4:4:4. The H.264 codec is still in developing and now is available version 17.
The video stored in H.264 codec can be stored in various resolutions from 128x96 to 4096x2304.
The 264 files are often recorded by hardware DVR recorders used to manage security IP cameras, or other security systems.
These video files are often header less (file header stores information about data stored in the file) and their playback in multimedia players, like VLC player, are not possible. But you can use for example Netviewer app that allows you to playback 264 files from DVR recorders, and convert them to AVI format.
Try universal video player like VLC to play 264 H.264/MPEG-4 AVC video. H.264 file can be opened in Microsoft Windows Media Player.
You can use any video editor to convert 264 H.264/MPEG-4 AVC video file to another common video format like avi or mp4.
Software applications that can open 264 files:
Apple macOS / Mac OS X
Software applications that can edit 264 files:
Apple macOS / Mac OS X
Software capable of saving 264 files:
Apple macOS / Mac OS X
Apps designed for playing 264 files:
Microsoft Windows
Apple macOS / Mac OS X
Linux/Unix
Software apps that convert 264 files:
Microsoft Windows
Apple macOS / Mac OS X
Software apps that import 264 files:
Microsoft Windows
Software apps that burn 264 files to disc:
Apple macOS / Mac OS X
File type category:
Binary file
Date updated: October 25, 2026
The 264 file extension is used for firmware update files associated with some Alcatel Speed Touch DSL modems. The file contains modem firmware that can repair software bugs or add functions to the device.
The file is a device-specific binary image, not a document or a general-purpose data file. Alcatel Speed Touch modems used Thomson technology, and the update must be intended for the correct modem model. This is a legacy format associated with older DSL hardware.
An 264 file is not normally opened as a document. It should be supplied to the compatible Alcatel Speed Touch modem through the modem's firmware update procedure or its associated update software.
Do not rename or edit the file before updating the modem. Use only firmware intended for the exact device model.
An 264 file cannot be usefully converted to another file format. It is a firmware image that must remain in its original binary form for the modem update process.
If the file is not compatible with the modem, conversion will not make it suitable; a firmware image for the correct Alcatel Speed Touch model is required.
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