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Basic information about ZRD file

When there is a problem with opening files with the file extension ZRD（*.ZRD or *.zrd）, you do not need a computer expert. In most cases, using the helpful suggestions of experts contained in our website as well as appropriate programs, you can solve the problem with the ZRD file yourself.

There are 1 file types using the ZRD file extension in our database. In the further part of this page, you will find detail information about all the ZRD file with their brief description and a list of programs that support ZRD file sorted by operating systems. The table below provides useful information about the ZRD file extension. It answers questions such as:
  • What is the ZRD file?
  • How to open a ZRD file?
  • What programs do I need to open a ZRD file?
  • What programs help to create and edit a ZRD file?
  • How to convert ZRD files to another file format?
  • How to convert another files to ZRD file format?


1.Detail information about ZRD file extension: ZEMAX Ray Database

File type ZEMAX Ray Database Category Database Files
Developer ZEMAX Development Corporation File format N/A
Description ZRD file is a ZEMAX Ray Database developed by ZEMAX Development Corporation. ZRD is a file extension commonly associated with ZEMAX Ray Database files. ZEMAX Ray Database format was developed by ZEMAX Development Corporation. ZRD files are supported by software applications available for devices running Windows. ZRD file format, along with 341 other file formats, belongs to the Database Files category. The most popular software that supports ZRD files is ZEMAX. ZEMAX software was developed by ZEMAX Development Corporation, and on its official website you may find more information about ZRD files or the ZEMAX software program.
Software programs that will open, edit or convert ZRD files

Windows		 ZEMAX



Can't open a ZRD file?

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

”Can't open this file: example.ZRD”。

To open this file, you install one of the applications from the list of software programs that you found here, you should be able to open, edit or convert the file with the ZRD extension without any issue.


Where I can download the application that support ZRD file?

If you do not know where you can download the application from our list, click on the link (which is the name of the program), you will find more information there on the location where to download the required application. Most often they are the websites of software manufacturers.


How to change file associations?

  • Right-click a file with the extension whose association you want to change, and then click "Open With".
  • In the "Open With" dialog box, click the program whith which you want the file to open, or click "Browse" to locate the program that you want.
  • Select the ”Always use the selected program to open this kind of file” check box.


Can I change the extension of ZRD files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read/open the file. The problem is, changing the file extension does not change the file format. Select a software program from our list and install it on your computer. If the file has not opened correctly, you have to look for a different software program from our list. Sometimes you have to repeat the operation several times.


What else may cause problems width open a ZRD file?

The reasons for the lack of the ability to open a ZRD file on your computer may be at least several. The easiest thing is to find a suitable application installed on your computer, which will open a ZRD file. If there is still something wrong, you might want to check:

  • Whether the ZRD file is damaged.
  • Whether the ZRD file is incorrectly linked in the registry entries.
  • Whether the ZRD file extension has been accidentally removed from the Windows registry.
  • Whether the installation of an application that supports the ZRD file format is incompletely.
  • Whether the ZRD file is infected.
  • Whether the drivers of the equipment used for opening a ZRD file are up to date.
  • Whether your computer has enough hardware resources to open a ZRD file.

If the ZRD file still not working with your software after eliminating the above shortcomings? That means that the problem is more complex and requires the help of a specialist.