I cannot open a IES file. What should I do? Help!
Virtually anyone has encountered some problems with opening unknown files while working on a computer. It can be very frustrating. Yet such problems, not only with IES files, can be addressed in a standard way. Follow the steps below and we can guarantee that your problem with opening IES will be resolved!
IES File Extension
- File type IES Photometric Data Format
- File developer Illuminating Engineering Society
- File category Data Files
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File popularity rating
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What is a(n) IES file?
The data file with the extension .IES stores data in the binary format regarding the amount of light and light measurements. These files are used to analyze lighting on streets, parks, buildings and other places, both closed and open. The stored data must comply with the standardized photometric format of the Illuminating Engineering Society.
How to open IES file?
If given user account does not have necessary permissions to open files with IES extension, it is highly probable that no program that supports given files is installed on the users’ system. Below is a list of actions user should pursue in order to resolve most common problems.
Step 1. Download and install application that supports IES files
After the application has been installed, the system should automatically open IES files with given application. Below is the list of relevant programs along with operating systems they are available for:
Programs that support IES files
Step 2. Verify whether IES files are associated with appropriate software
It is possible that an application that supports IES files is not associated with such files. In such case, the program should by manually associated with IES files (right-click on the file icon → Properties → General Tab → In submenu "Open with" and click on "Change" button. System will display a list of suggested programs that support IES files. Choose the application by checking the box "Always use the selected application to open this kind of files". System will store this information in its registry and use it to open IES files with the selected program.
Changing IES file association in registry
File association for IES files can be edited manually by editing appropriate entry in Windows System Registry. However, it is discouraged as it may introduce errors to registry if not done properly and may even damage the system.
Step 3. Check IES file for other errors
- IES file was not copied properly from storage medium.
- Antivirus application prevents opening IES files. In that case it is recommended to exercise extreme caution and recover or delete infected IES file. It is also advised to scan the entire system for malicious software and viruses with antivirus software.
- For IES files downloaded from the internet it is advised to check if the file has been downloaded completely and is not corrupted. If not, the file should be re-downloaded.
