>> ULD file

ULD file format description

Many people share .uld files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .uld file can be edited, converted or printed with. On this page, we try to provide assistance for handling .uld files.

1 filename extension(s) found in our database.

.uld - DIALux Unified Luminaire Data

The ULD data files are related to DIALux. ULD file is a DIALux Unified Luminaire Data. Dialux is a free and complete lighting calculation software for professional light planning.

Data files
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DIALux Unified Luminaire Data related extensions:
DIALux Project
DIALux Lamp Exchange Data

Naturally, other applications may also use the .uld file extension. Even harmful programs can create .uld files. Be especially cautious with .uld files coming from an unknown source!

Can't open a .uld file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .uld file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

hld, ulf, yld, umd, ulv, uid, ud, ld, jld, upd, ulx, uls, ulc, udl, lud

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Structural Desktop Hold Data
Universal List File
UMX Language File
Program Update Information
OmniPage User Dictionary
Julia HDF5 Data

Operating systems

DataTypes.net currently supports the following operating systems:

Windows XP/Vista, Windows 7/8, Windows 10, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, Mac OS X, iOS, Android

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If you have useful information about the .uld file format, then write to us!

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