CHAP file format description

Many people often share .chap files without providing instructions on how to use them. This can make it difficult for users to determine which program is compatible for editing, converting, or printing .chap files. To address this issue, we have created this page to offer assistance and guidance on handling .chap files. We provide information on compatible software, editing instructions and conversion options to help users effectively interact with .chap files.

Our aim is to simplify the process and promote seamless use of the .chap file format.

1 filename extension(s) found in our database.

.chap - MP4Box Movie Chapter Data

The CHAP video files are related to GPAC MP4Box. The CHAP file is an MP4Box Movie Chapter Data. MP4Box is a multi-purpose MP4 file manipulation for the prompt, featuring media importing and extracting, file inspection, etc.

Video files
- / -
MP4Box Movie Chapter Data related extensions:
ARMovie Replay
Flash High Definition Video
Sonic Foundry Video Capture Data
TibiaReplay Tibia Movie
Nokia Interleaved Multimedia File
Real Video Movie

Naturally, other applications may also use the .chap file extension. Even harmful programs can create .chap files. Be especially cautious with .chap files coming from an unknown source!

Can't open a .chap file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .chap file extension is often given incorrectly!

Based on searches conducted on our site in the past year, we have compiled a list of the most common misspellings. These frequent misspellings can cause confusion and hinder search accuracy. By providing this list, we aim to assist users in finding the correct information more easily and improving their overall search experience on our site.

These misspellings were the most common in the past year:

cap, cha, chp, cmap, hap

Is it possible that the filename extension is misspelled?

There is a possibility that the .chap filename extension is misspelled. To assist users in identifying potential errors, we provide a list of similar file extensions in our database.

Filename extensions similar to .chap:

Adobe Photoshop Channel Settings
Hex Workshop Color Map
CaptionMaker Caption Data
Libpcap Captured Packets
Affymetrix Probe Array Results File
mIRC Chat Settings

Operating systems

At, we strive to provide a seamless user experience by ensuring compatibility with a wide range of operating systems. The following is a comprehensive list of the operating systems currently supported by

Windows XP/Vista, Windows 7/8/10, Windows 11, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, macOS, Mac OS X, iOS, Android

If you find the information on this page useful, please feel free to link to this page.

If you have useful information about the .chap file format, then write to us! >> CHAP file