NEX file format description

Many people often share .nex files without providing instructions on how to use them. This can make it difficult for users to determine which program is compatible for editing, converting, or printing .nex files. To address this issue, we have created this page to offer assistance and guidance on handling .nex files. We provide information on compatible software, editing instructions and conversion options to help users effectively interact with .nex files.

Our aim is to simplify the process and promote seamless use of the .nex file format.

3 filename extension(s) found in our database.

.nex - NeuroExplorer Data

The NEX data files are related to NeuroExplorer. The NEX file is a NeuroExplorer Data. NeuroExplorer is a powerful data analysis program for neurophysiology. NeuroExplorer has its own data format and by default saves the data in the binary file with the extension .nex.

Category:Data files
Magic:- / -

NeuroExplorer Data related extensions:

  • num DICTION Data
  • aor Searchlight AR3000 Radio Scanner Frequency Listing Data
  • rfe RockFlow Log
  • fpt NovaBACKUP Backup Related Data
  • ard ArtiosCAD Workspace
  • tec Tecplot ASCII Data

.nex - Opera 15 Navigator Extension

The NEX other files are related to Opera. The NEX file is an Opera 15 Navigator Extension. Opera is a web browser and Internet suite developed by the Opera Software company.

Category:Other files
Magic:- / -

Opera 15 Navigator Extension related extensions:

  • adr Opera Bookmark Data
  • ax Opera AX Data
  • bin Opera Encoder Data
  • bx Opera BX Data
  • jsobj Opera Javascript Object
  • oex Opera Extension

.nex - NEXUS Data File

The NEX data files are related to MrBayes. The NEX file is a NEXUS Data File. Nexus file format (usually .nex or .nxs) is widely used in Bioinformatics.

Category:Data files
Magic:- / -

NEXUS Data File related extensions:

  • mcmc MrBayes MCMC Data

Be careful.

It is important to understand that the .nex file extension is not limited to a particular set of applications. Other programs besides the intended ones can also use the .nex extension to create files. This includes potentially harmful programs or malware that may generate .nex files for various purposes. Be especially cautious with .nex files coming from untrusted or unknown sources.

Can't open a .nex file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize an extension, you receive the following message:

Select an app to open this .nex file

To set the .nex file association in Windows 11, you can follow these steps

  1. Open the Settings app by clicking on the Start menu and selecting the gear icon.
  2. In the Settings app, click on System and then select Apps from the left-hand side menu.
  3. Scroll down and click on the Default apps option.
  4. Under the Default apps section, you will find various categories such as Email, Web browser, and Music player.
  5. Locate the category that matches the file type you want to associate, such as Photos for image files or Video player for video files.
  6. Click on the current default app listed under the category. A list of available apps will appear.
  7. Choose the app you want to set as the default for that file type. If the desired app is not listed, click on More apps to see additional options or click on Look for an app in the Microsoft Store to search for apps in the Store.
  8. After selecting the app, it will become the default choice for opening files of that type.

It's worth mentioning that you don't always need to set .nex file association. Many applications can open .nex files without requiring any specific file association to be set.

The .nex file extension is often given incorrectly

Based on searches conducted on our site in the past year, we have compiled a list of the most common misspellings. These frequent misspellings can cause confusion and hinder search accuracy. Our goal in providing this list is to help users find the right information more easily and enhance their overall search experience on our website.

These misspellings were the most common in the past year:

bex, enx, ex, gex, hex, jex, mex, ndx, nec, ned, nes, nez, nfx, nrx, nsx

Is it possible that the filename extension is misspelled?

There is a possibility that the .nex filename extension is misspelled. To assist users in identifying potential errors, we provide a list of similar file extensions in our database.

Filename extensions similar to .nex:

Operating systems

At, we strive to provide a seamless user experience by ensuring compatibility with a wide range of operating systems. The following is a comprehensive list of the operating systems currently supported by

Windows XP/Vista, Windows 7/8/10, Windows 11, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, macOS, Mac OS X, iOS, Android

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If you find the information on this .nex page useful, please feel free to link to this page. >> NEX file