There are 8 other file types using
the X file extension!

empty icon.x - Alysis SuperDisk self-extracting archive

empty icon.x - Microsoft Direct-X SDK 3D graphics

x icon.x - Stardent AVS X bitmap image

empty icon.x - Chemical modeller output data

empty icon.x - XBLite program

empty icon.x - Xview object

x icon.x - X11 server import image

empty icon.x - Human68k operating system executable

Bookmark & share this page with others:

X file extension - Lex language source code

What is x file? How to open x files?

File type specification:

Source code and script file type icon Source code and script file type

The x file extension is used for files that contain source code written in the Lex programming language (a standard lexical analyzer for Unix). May be processed with the lex utility included with most Unix distributions to generate a C program.

The default software associated to open x file:

Flex for Windows  Microsoft Windows software

Company or developer:
Flex Project

Flex for Windows is lexical analyzer generator. It is used for generating programs that perform pattern-matching on text.

Help how to open:

Much like any other source file can be edit with a text editor.

How to convert:

Can be only compiled to a C program.

List of software applications associated to the .x file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open x file, edit x file, convert x file, view x file, play x file etc. (if exist software for corresponding action in's database).

Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting x files.

Software that open x file - Lex language source code

Programs supporting the exension x on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about Flex for Windows for open x file action.

Microsoft Windows:

Previous file extension
WZS file extension > Source code and script file types

Next file extension
file extension X


Enter any file extension without dot (e.g. pdf)
Search for file extension details and associated application(s)

RSS feed