ZRD file extension
The table below provides useful information about the .zrd file extension. It answers questions such as:
- What is the .zrd file?
- What program do I need to open a .zrd file?
- How can the .zrd file be opened, edited or printed?
- How can I convert .zrd files to another format?
Table of Contents
- ✅ Zemax Ray Database File
- 🔄 .zrd file converters
- 🚫 .zrd file related errors
We hope you find this page helpful and a valuable resource!
1 extension(s) and 0 alias(es) found in database
✅ Zemax Ray Database File

ZRD file is a Zemax Ray Database File. Zemax is an optical design program that is used to design and analyze imaging systems such as camera lenses, as well as illumination systems.
Other types of files may also use the .zrd file extension.
🚫 The .zrd file extension is often given incorrectly!
According to the searches on our site, these misspellings were the most common in the past year:
Is it possible that the filename extension is misspelled?
We found the following similar file extensions in our database:
🔴 Can't open a .zrd 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 cannot open this file:
example.zrd
To open this file, Windows needs to know what program you want to use to open it...
If you don't know how to set the .zrd file association, check the FAQ.
🔴 Can I change the extension of 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 the file. The problem is, changing the file extension does not change the file format.
If you have helpful information about the .zrd file extension, write to us!