.TEX File Extension

Donald Knuth
File Type:
LaTeX Source Document

Having trouble opening .tex extension? Don't panic! This page explains what tex files are as well as suggests programs you may use to open tex files. You can download these programs through this page.

What is a TEX file?

Tex file extension has LaTeX Source Document file type, developed by Donald Knuth, which is associated with the "text files" category.

Associated with LaTeX, the document contains symbols, text, graphics, and mathematical expressions. It may also include markup conventions, which help define the document’s structure.

TEX files store content in plain text as opposed to .DOCX and .ODT files that save formatted text. They can also use the .LTX file extension. Users can access TEX files with a text editor. 

To learn how you can open the given file, read the information below.

tex file icon
Donald Knuth
File Type:
LaTeX Source Document
Text Files

How to open TEX file?

Double click the tex file to open it. The file will open automatically if file associations have been correctly installed and there is a proper program on your computer; if not, file associations may be corrupted and your OS either cannot find the proper program, or you might not have one for opening the file. First, we recommend downloading our utility to fix file association errors; then, you can download any program for opening the .tex extension from the ones suggested below. If you are certain there is nothing wrong with the file associations, you may proceed to method 2 right away; besides, if you can't make up your mind when choosing the right program, use Universal File Viewer from the last method.

Method 1: Fix file association errors

Follow these steps in order to automatically fix the tex extension associations' problem in no time:

  • Step 1: Click on "Download Solution" to download automatic tool provided by WikiExt.
  • Step 2: Click "Start Scan" to identify all potential issues.
  • Step 3: Review scan results and click "Fix Items".

File Size: 3.04 MB, Download time: < 1 min. on DSL/ADSL/Cable

This Tool is Compatible With: Windows XP, Vista, 7, 8/8.1, 10

Method 2: Download the appropriate software

The given list provides programs which may be used for opening or converting the tex file. Choose the proper program for your OS, and click it to start the download or proceed to the developer's website.

Programs that open TEX files

Method 3: Use universal file viewer

In addition to the list of programs above, we recommend using Universal File Viewer. This tool can open over 250 file extensions and, most likely, it will be able to open the tex file as well. Download Universal File Viewer for your OS.

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