How to Convert DWG to IGES

Written by arn goldman
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How to Convert DWG to IGES
Architects use DWG and IGES files every day. (blueprint image by Dmitri MIkitenko from

The DWG (AutoCAD Drawing Database File) is the proprietary file format used by AutoCAD design software, one of the most popular design programs. IGES or IGS (Initial Graphics Exchange Specification) files are also 3D image files, but they use the ASCII data format, which makes them more compatible with other programs than DWG files. The easiest method for converting from DWG to IGES is using a software program designed exactly for this purpose.

Skill level:


  1. 1

    Open a web browser and navigate to a page that contains a downloadable DWG to IGES conversion software.

  2. 2

    Download the software. You can find links to a few popular DWG to IGES programs in Resources.

  3. 3

    Install the software. You must agree to any terms and conditions of the software before using it.

  4. 4

    Open and run the conversion software.

  5. 5

    Locate the "Select File" or "Upload File" button in the software. Select the DWG file you wish to convert into an IGES.

  6. 6

    Select "DWG" as your input file format.

  7. 7

    Select "IGES" as your output file format.

  8. 8

    Click "Start Conversion" or "Convert" to begin the conversion. Once it has completed, the new IGES file will either appear on your desktop or within the conversion software's file folders.

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