DXF File Extension

DXF file icon
Drawing Exchange Format Format
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What is DXF file?

File with DXF extension contains project data for AutoCAD vector image; it is similar to DWG format, but is stores data in more data exchange-friendly form at. Initially DXF files stored data in ASCII text, but now it also support binary format. DXF text files have a well-defined structure, and can be opened with any txt editor:

  • HEADER – file header that contains informatons about the image, organized in name-value pairs,
  • CLASSES – section that contains definitions for classes used in BLOCKS, ENTITIES, and OBJECTS sections,
  • TABLES – contains definitions for data in tables:
    • APPID – application identifier,
    • LAYER,
    • LTYPE – line type,
    • STYLE – text,
    • UCS – user coordinates,
    • VIEW,
    • VPORT – viewport configuration,
  • THUMBNAILIMAGE – low-resolution preview image,

Coordinates in DXF are dimensionless. All data stored in DXF files can be tagged, which means each element will be marked with an integer that codes each data group. The format does not support many features usd by modern desing tools, and thus is seldom used. DXF files can store both 2D and 3D elements.

DXF (Drawing Interchange Format) was developed by Autodesk in 1982 for AutoCAD 1.0 software. DXF specitfication is now available on developer’s website, but for a long time it was not released to the public. AutoCAD version 10 and later support both ASCII and binary DXF files. DXF files which contain models created with Spatial plugin may be encrypted and as such may not be opened with other programs than AutoCAD.

Conversion of a DXF file

When you install one of the applications from the list of programs that you found here, you should be able to open or edit the file with the DXF extension without any issue. However, if you still have problems with this, you may use the option of DXF file conversion to a different format.

File Conversions from DXF extension to a different format
File conversions from other format to DXF file

We hope we helped you solve the problem with the DXF file. If you do not know where you can download the application from our list, click on the link (which is the name of the program) - you will find more information there on the location where to download the secure setup version of the required application.

What else may cause problems?

There can be more reasons which determine that you are not able to open the DXF file (apart from the lack of the proper application installed).

First - the DXF file may be incorrectly associated with the application installed to support it. In this case, you need to change this association by yourself. To do this, right-click on the DXF file that you want to edit, click "Open with" and then select the program from the list that you have installed. After this operation, the problems with opening the DXF file should be solved.

Second - the file you want to open can simply be damaged. Then, the best solution is to find a new version of given file, or download it again from the same source as before (maybe for some reason in the previous session the download of the DXF file has not been completed and it cannot be opened properly).

Do you want to help?

If you have additional information about the DXF file, we will be grateful if you share it with our users. To do this, use the form here and send us your information on DXF file.

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