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.ULD File Extension

File TypeUnified Luminaire Data File

3.5 (2 Votes)
CategoryCAD Files

What is a ULD file?

Data file used by DIALux, a professional light planning software for indoor and outdoor lighting; contains data about the lighting specifications of a luminaire, such as the fixture description, fixture image, luminous flux, power consumption, and a 3D model for viewing; cannot be created by the user, only used for viewing.

More Information

DIALux is a free program used to design and plan lighting installations for different environments with different room elements. Commonly used for homes, office buildings, neighborhoods, sporting facilities, and commercial sites.

NOTE: Similar to the .LDT, .ELD, and .IES files used by DIALux.

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Programs that open ULD files

Updated 2/13/2014

About ULD Files

Our goal is to help you understand what a file with a *.uld suffix is and how to open it.

The Unified Luminaire Data file type, file format description, and Windows programs listed on this page have been individually researched and verified by the FileInfo team. We strive for 100% accuracy and only publish information about file formats that we have tested and validated.

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