Filename Extensions
If you are seeking information about file extensions, then you are in the right place at right time.

Details of extension .aux

7 extension(s) and 0 alias(es) in our database

Below, you can find answers to the following questions:

  • What is the .aux file?
  • Which program can create the .aux file?
  • Where can you find a description of the .aux format?
  • What can convert .aux files to a different format?
  • Which MIME-type is associated with the .aux extension?
.aux
ArcGIS Auxilliary File .aux file icon

ArcGIS Auxilliary File

The AUX file is an ArcGIS Auxilliary File. An auxiliary (AUX or AUX.XML) file accompanies the raster in the same location and stores any auxiliary information that cannot be stored in the raster file itself.
Category: GIS files
Application: ArcGIS
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Aliases:
-
Links:
-
Related extensions:
ArcInfo Binary Coverage
ArcInfo Band Interleaved by Line Image
ArcInfo Band Interleaved by Line Image
ArcInfo Band Sequential Image
ArcInfo ASCII Export
.aux
PTC Creo Auxiliary Parameter Data .aux file icon

PTC Creo Auxiliary Parameter Data

The AUX file is a PTC Creo Auxiliary Parameter Data. Creo is a family or suite of design software supporting product design for discrete manufacturers and is developed by PTC.
Detailed description not available
Category: Data files
Application: PTC Creo
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Aliases:
-
Links:
-
Related extensions:
Autodesk AutoCAD Drawing
Autodesk Drawing eXchange File
Caligari TrueSpace Scene
IronCAD Scene
Autodesk AutoCAD Heidi Information File
.aux
VecTor5 Auxiliary Data .aux file icon

VecTor5 Auxiliary Data

The AUX file is a VecTor5 Auxiliary Data. VecTor5 is a nonlinear finite element analysis program for two-dimensional frame structures consisting of beams, columns and shear walls, subjected to thermal, quasi-static (monotonic, cyclic and reversed-cyclic) and dynamic (seismic, impact and blast) loads.
Detailed description not available
Category: Data files
Application: VecTor5
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Aliases:
-
Links:
-
Related extensions:
VecTor5 Structure Data
VecTor5 Load Data
VecTor5 Job Data
VecTor5 Extended Output Data
VecTor5 Extended Load Output Data
.aux
MOPAC Auxiliary Results Data .aux file icon

MOPAC Auxiliary Results Data

The AUX file is a MOPAC Auxiliary Results Data. MOPAC is a popular computer program used in computational chemistry. It is designed to implement semi-empirical quantum chemistry algorithms, and it runs on Windows, Mac, and Linux.
Detailed description not available
Category: Data files
Application: MOPAC
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Aliases:
-
Links:
-
Related extensions:
MOPAC Z-Matrix Molecule Data
MOPAC Chemical Output Data
MOPAC Internal Data
MOPAC Cartesian Data
MOPAC Internal Chemical Modeller Output
.aux
MegaHAL Aux Data .aux file icon

MegaHAL Aux Data

The AUX file is a MegaHAL Aux Data. MegaHAL is a computer conversation simulator created by Jason Hutchens.
Detailed description not available
Category: Data files
Application: MegaHAL
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Aliases:
-
Links:
-
Related extensions:
MegaHAL Brain Data
MegaHAL Greeting Data
MegaHAL Keyword Swap Data
MegaHAL Training Data
MegaHAL Banned Words List
.aux
LaTeX Auxiliary Data .aux file icon

LaTeX Auxiliary Data

The AUX file is a LaTeX Auxiliary Data. LaTeX is a high-quality typesetting system, with features designed for the production of technical and scientific documentation. LaTeX is the de facto standard for the communication and publication of scientific documents.
Detailed description not available
Category: Data files
Application: teTeX
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Aliases:
-
Links:
Related extensions:
ClarisWorks Document
Data Interchange Format
Microsoft Word Document
Lotus Word Pro Document
Microsoft Word for Macintosh Document
.aux
ERDAS Imagine Geospatial Auxiliary Data .aux file icon

ERDAS Imagine Geospatial Auxiliary Data

The AUX file is an ERDAS Imagine Geospatial Auxiliary Data. ERDAS IMAGINE is a remote sensing application with raster graphics editor abilities designed by ERDAS (Earth Resource Data Analysis System) for geospatial applications.
Detailed description not available
Category: GIS files
Application: ERDAS Imagine
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Aliases:
-
Links:
-
Related extensions:
ERDAS LAN
ERDAS Imagine Hierarchical File Architecture
ERDAS Imagine Graphical Model Data
ERDAS Imagine Image Data
ERDAS Imagine Lens Flare Data

Other types of files may also use the .aux file extension. If you have helpful information about .aux extension, write to us!

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

AHX Tracker Music Module
IBM AIX System File
Sun Audio File
Microsoft Dynamics AX Application Unicode Object Cache
Command and Conquer Compressed Audio

The .aux filename extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

wux (4), uax (1), auz (1), aud (1), au (1), ahx (1), ux (1), ax (1), aus (1), auc (1), aix (1)

Can't open a .aux file?

If you want to open a .aux file on your computer, you just need to have the appropriate program installed. If the .aux association isn't set correctly, you may receive the following error message:

Windows can't open this file:

File: example.aux

To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program whith which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2016/2019/2022, Windows 7, Windows 8, Windows 10, Windows 11, Linux, Mac OS X, macOS, iOS, Android