The File Extensions Database

.H-263 File Extension

  • Category: Digital video and movie Files

What is an .H-263 file?

.H-263 is H.263 encoded video file

The H-263 file extension is associated with the H.263 video codec. H.263 was developed as a provisional ITU-T standard and published in 1995.

It is designed for low bitrate communication (less then 64 Kbit/s) and used by various videoconferencing applications. It supports five resolutions. H.263 codec was replaced by H.264 and VP6.

H.263 codec uses 3GP multimedia container to store video content.


How to open:

This file type is not meant to be opened directly, there is no software that could open and work with it directly, or there is no information available in public sources about opening this file type. This is usually the case of some internal data files, caches, temporary files etc.

How to convert:

As far as we know, this .h-263 file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

How to solve problems with H-263 files

  • Associate the H-263 file extension with the correct application. On :
    Windows: Right click on any H-263 file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.H-263 files". Mac: Right click (or Ctrl-click) the H-263 file, then click "Open with" > "Other...". Then choose another program and check the "Always Open With" box. Linux: Right click on the file, and select "Open with" and choose another program. iPhone: Tap the file. If you do not see an app to open the file, then tap Share "Share" and choose an app. Alternatively, save the file. Then open the Files app Files app. There long-press on the file, then release your finger. You will see a black menu bar. Then tap "Share" and select an app. Android: Tap the Settings icon on your smartphone, then tap on the Apps section. There tap the Options icon in the top right-hand corner of the screen to change the default apps.
  • Update your software that should actually open .H-263 is H.263 encoded video file. Because only the current version supports the latest H-263 file format. Search, therefore, e.g. on the manufacturer website after an available .H-263 is H.263 encoded video file update.
  • To make sure that your H-263 file is not corrupted or virus-infected, get the file again and scan it with antivirus software.