What are .lex File Extension Files Used For?

Detail Information on the .lex file extension

There are two major instances of the .lex file type recorded. Both of them are discussed in detail below.

Instance #1 ? Adobe InDesign Proximity Dictionary

.lex files are primarily Adobe InDesign Proximity Dictionary files. These files are associated with Adobe Acrobat, which is a program designed by Adobe Systems Incorporated and is used to create, view, and manage PDF (Portable Document Format) files.

The Mime type of .lex files is application/octet-stream.

Which program(s) can be used to open a .lex file in Windows?

On a Windows computer, you can use the following application to successfully open a .lex file:

  • Adobe InDesign

Instance #2 Microsoft Office Dictionary Data

.lex file is a Microsoft Office Dictionary data file that enables users to supplement the main dictionary being used with extra words, including names, words in foreign language, technical terms, or alternative spellings of words.

The .lex file comes under Data file category and its Mime type is application/octet-stream.

Which program(s) can be used to open a .lex file in Windows?

You can use the following program to open a .lex file in Windows:

  • Microsoft Office Word

Besides these two, what are the other instances of .lex file?

Other recorded instances of .lex file are mentioned below sequentially on the basis of their popularity:

  • HP-Basic Language Extension
  • Lexmark Printer Install File
  • Lexion (Dictionary)
  • Lex or Flex file

In case you have downloaded or received an .lex file via e-mail but are unable to find the correct program to open it, then you may give the FileCure software a try. It is a useful program that allows you to easily open, edit and save various file-types (even those with which you receive file type error) and you no longer will have to worry about locating the correct program yourself to open not-so-common file types.