A lex file extension is related to the HP-Basic language extension files.

There are 3 other file types using
the LEX file extension!

lex icon.lex - Microsoft SharePoint Server 2007 temporary data

empty icon.lex - Lexicon data

empty icon.lex - Lex or Flex data

Detailed description

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LEX file extension - HP-Basic language extension

What is lex file? How to open lex files?

File type specification:

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

The lex file extension is associated with the HP-Basic and used for its language extension.

HP BASIC for OpenVMS is the latest name for a dialect of the BASIC programming language created by Digital Equipment Corporation and now owned by Hewlett-Packard. It has been implemented on a variety of DEC-derived platforms, including the PDP-11, VAX/VMS, OpenVMS on Alpha and now OpenVMS on IA-64.

This lex file type entry was marked as obsolete and no longer supported file format.

This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.

Updated: February 28, 2019

Help 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 .lex 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.

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