Open IES file

IES files: what are they and how do I open them?

Are you facing difficulties opening unknown files on your computer, or wondering exactly what this file is?
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IESNA photometric data file

Files with ies extension are special photometric data files saved in a format developed by IESNA (Illumination Engineering Society of North America).

Further details:

The ies file extension is used for a special photometric data format, created as standard by Illumination Engineering Society of North America (IESNA). It is the de facto industry standard file format for electronic transfer of photometric data.

A typical ies file basically contains the measurement of distribution of light (intensity) stored in ASCII format

This format is used by many 3D programs, that can use the photometry data.

Open file with:

ZEMAX

A design software for optical engineers

What is the meaning of a file extension?

File extensions are characters that appear after the dot in a computer file's name. For example, the file "unknown-file.ies" has the file extension "ies". This is used to identify which program should open the file or what file type it is.
File extensions help you organize and manage files. They provide a quick and easy way to identify and associate the file type with the appropriate software.

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In our database, we have collected a huge number of different file extensions, detailed descriptions, and programs that can be used to open or otherwise work with the file extensions listed in our database.
This database is an invaluable resource for users who want to understand better file extensions and what they can do with them. It also allows users to know different file types with the same purpose.

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