EXR file icon

EXR File Extension

OpenEXR Image
  • Developer
    Industrial Light & Magic
  • Category
  • Popularity
    3.6 (12 votes)

What is EXR file?

EXR is an HDR graphics file saved in OpenEXR Image format. EXR file contains high-dynamic range raster images. HDR imaging technique allows to create images of very high-quality. EXR images can be uncompressed or compressed using one of three supported compression algorithms (PIZ, ZIP, RLE). The choice of compression method, or lack thereof, will affect the size of EXR file and its processing time.

Unique attribute

In EXR files single pixel is represented by a signed floating-point number. Such high precision allows to define color and contrast on the levels not achievable for formats other than EXR.

Uses of EXR format

OpenEXR Image format was developed by Industrial Light & Magic as an image data format for visual effects hardware used in cinematography. It was first used during production of the following movies:

  • Harry Potter and the Sorcerer’s Stone,
  • Gangs of New York,
  • Signs.

Programs which support EXR file extension

The following list contains programs grouped by 3 operating systems that support EXR files. EXR files can be encountered on all system platforms, including mobile, yet there is no guarantee each will properly support such files.

Updated: 11/26/2023

How to open file with EXR extension?

Problems with accessing EXR may be due to various reasons. What is important, all common issues related to files with EXR extension can be resolved by the users themselves. The process is quick and doesn’t involve an IT expert. The list below will guide you through the process of addressing the encountered problem.

Step 1. Install PhotoPlus software

Install software to open EXR file The most common reason for such problems is the lack of proper applications that supports EXR files installed on the system. The most obvious solution is to download and install PhotoPlus or one to the listed programs: Adobe After Effects, Adobe Photoshop, Adobe SpeedGrade. Above you will find a complete listing of programs that support EXR files, classified according to system platforms for which they are available. One of the most risk-free method of downloading software is using links provided by official distributors. Visit PhotoPlus website and download the installer.

Step 2. Check the version of PhotoPlus and update if needed

Update software that support file extension EXRYou still cannot access EXR files although PhotoPlus is installed on your system? Make sure that the software is up to date. It may also happen that software creators by updating their applications add compatibility with other, newer file formats. This can be one of the causes why EXR files are not compatible with PhotoPlus. All of the file formats that were handled just fine by the previous versions of given program should be also possible to open using PhotoPlus.

Step 3. Associate OpenEXR Image files with PhotoPlus

If the issue has not been solved in the previous step, you should associate EXR files with latest version of PhotoPlus you have installed on your device. The process of associating file formats with default application may differ in details depending on platform, but the basic procedure is very similar.

Associate software with EXR file on Windows

Change the default application in Windows

  • Choose the Open with entry from the file menu accessed by right-mouse clicking on the EXR file
  • Click Choose another app and then select More apps option
  • To finalize the process, select Look for another app on this PC entry and using the file explorer select the PhotoPlus installation folder. Confirm by checking Always use this app to open EXR files box and clicking OK button.
Associate software with EXR file on Mac

Change the default application in Mac OS

  • By clicking right mouse button on the selected EXR file open the file menu and choose Information
  • Open the Open with section by clicking its name
  • From the list choose the appropriate program and confirm by clicking Change for all....
  • If you followed the previous steps a message should appear: This change will be applied to all files with EXR extension. Next, click the Continue button to finalize the process.

Step 4. Check the EXR for errors

If you followed the instructions form the previous steps yet the issue is still not solved, you should verify the EXR file in question. Being unable to access the file can be related to various issues.

Check EXR file for viruses
1. The EXR may be infected with malware – make sure to scan it with an antivirus tool.

Should it happed that the EXR is infected with a virus, this may be that cause that prevents you from accessing it. Scan the EXR file as well as your computer for malware or viruses. If the EXR file is indeed infected follow the instructions below.

2. Ensure the file with EXR extension is complete and error-free

Did you receive the EXR file in question from a different person? Ask him/her to send it one more time. During the copy process of the file errors may occurred rendering the file incomplete or corrupted. This could be the source of encountered problems with the file. When downloading the file with EXR extension from the internet an error may occurred resulting in incomplete file. Try downloading the file again.

3. Ensure that you have appropriate access rights

Some files require elevated access rights to open them. Log in using an administrative account and see If this solves the problem.

4. Make sure that the system has sufficient resources to run PhotoPlus

The operating systems may note enough free resources to run the application that support EXR files. Close all running programs and try opening the EXR file.

5. Verify that your operating system and drivers are up to date

Latest versions of programs and drivers may help you solve problems with OpenEXR Image files and ensure security of your device and operating system. Outdated drivers or software may have caused the inability to use a peripheral device needed to handle EXR files.

Conversion of a EXR file

File Conversions from EXR extension to a different format
File conversions from other format to EXR file
Do you want to help?

If you have additional information about the EXR file, we will be grateful if you share it with our users. To do this, use the form here and send us your information on EXR file.

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