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>> RAD file

RAD file format description

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

3 filename extension(s) found in our database.

.rad - Radiance Scene

RAD file is a Radiance Scene. Radiance is a suite of tools for performing lighting simulation originally written by Greg Ward. It includes a renderer as well as many other tools for measuring the simulated light levels. It uses ray tracing to perform all lighting calculations, accelerated by the use of an octree data structure.

.rad file format description:
RAD format
Document files
- / -
Radiance Scene related links:
Radiance Scene related extensions:
Radiance Function File
Radiance Data File
Radiance Octree
Radiance Z-buffer File

.rad - Reality AdLib Tracker Song

RAD file is a Reality AdLib Tracker Song. Reality Adlib Tracker is a 9-channel OPL2 adlib tracker for MS-DOS.

.rad file format description:
RAD format description not yet available
Reality AdLib Tracker
Audio files
- / -
Reality AdLib Tracker Song related links:
Adlib Tracker II
Reality AdLib Tracker Song related extensions:
Trackjoy GUS Tracker Song
Synclavier Sound
Korg Trinity Song
Dektron Digital Voice Recorder Voice
LegglessMusicEditor Music Module
AC1D-DC1A Packer Module

.rad - RFM Radiance Spectrum File

RAD file is a RFM Radiance Spectrum File. The RFM is a GENLN2-based line-by-line radiative transfer model originally developed at AOPP, Oxford University, under an ESA contract to provide reference spectral calculations for the MIPAS instrument launched on the ENVISAT satellite in 2002.

.rad file format description:
RAD format
Data files
- / -
RFM Radiance Spectrum File related links:
RFM Radiance Spectrum File related extensions:
RFM Atmospheric Profile Data
RFM Covariate Table
RFM Irregular Spectral Grid
RFM Instrument Line Shape File
RFM SVD-compressed Look-Up Table
RFM Tangent Altitudes File

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

Can't open a .rad 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 .rad file extension is often given incorrectly!

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

rxd, ad, rda, raw, ras, raf, rac, gad, ead, tad, ard, rwd, rd, rav, rar

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

After Dark Screensaver
RiTE Ascii Shader Information
UltraEdit Autorecovery Data
BIAS Fringe Processor Image
GeoDict Analytic Data
Oracle Database Storage Area

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