A uld file extension is associated with the DIALux software and used for its Unified luminaire data format. A uld file stores all information about fixture.

Detailed description

Software that works with uld file extension

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ULD file extension - Unified luminaire datafile

What is uld file? How to open uld files?

File type specification:

Various data file type icon Various data file type

The ULD file extension is used for a special Unified luminaire data format used by DIALux 2 or higher.

Only the Projectpartners of DIALux are able (and allowed) to create this format. It includes all the information about the fixture (light distribution, possible equipment, fotos, text, 3D geometry,...).

The default software associated to uld file type:

DIALux picture or screenshot

DIAL GMBH logo DIALux  Microsoft Windows software

Company or developer:

DIALux. The free and complete software developed by us for professional light planning is open to luminaires of all manufacturers. A software by planners for planners. Used by many hundredthousands of light planners and designers worldwide. 

Help how to open ULD files:

Use DIALux to open *.uld files.

How to convert file with extension ULD:

The uld file cannot be transform to other file formats.

List of software applications associated to the .uld file extension

Recommended software programs are sorted by OS platform (Windows, Mac OS X etc.) and possible program actions
that can be done with the file
: like open uld file, edit uld file, convert uld file, view uld file, play uld file etc. (if exist software for corresponding action in File-Extensions.org's database).

Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting of the uld files.

  • Open uld file
  • Save uld file
  • Edit uld file
  • Create uld file

Software that open uld file - Unified luminaire datafile

Click on the link to get more information about DIALux for open uld file action.

Microsoft Windows:

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ULC file extension

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