What is .NCX file extension?
.NCX file extension is a known file type. This section of easyfileopener.com tells you everything you need to know about this extension.
Table of contents file created according to the XML-based Open Packaging Format (OPF) standard, which is part of the EPUB eBook specification; stores the document title and author, as well as the navigation points for the eBook; used as part of an overall .EPUB archive.
According to the Open Packaging Format 2.0 specification, NCX files should be created with a corresponding .OPF file, which contains the linear reading order and other eBook metadata.
NOTE: Since NCX files are saved in an XML format, they can be viewed and edited with a text editor.
You can see a list of software programs here on easyfileopener.com that can open this file type so that you don’t need to search for it on the web. You can then open your file with this extension using a software listed below.