How to open IGR files
Did your computer fail to open an IGR file? We explain what IGR files are and recommend software that we know can open or convert your files.
What is an IGR file?
IGR files are Intergraph SmartSketch Drawing files, which you can read more about below.
The IGR file extension indicates to your device which app can open the file. However, different apps may use the same file extension for different types of data. So an IGR opener may not be able to open all kinds of IGR files. In this case, though, we only know of one specific use.
Intergraph SmartSketch Drawing
Through our analysis of IGR files, we know that one use of the format is Intergraph SmartSketch Drawing. We have not yet described in detail what these files contain and what they are used for, but our team is working tiredlessly through thousands of file formats. We'd love hearing from you if you have information about the format.
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IGR file openers, viewers, etc.
These apps are known to open certain types of IGR files. Remember, different programs may use IGR files for different purposes, so you may need to try out a few of them to be able to open your specific file.
 | SmartSketch | User submitted |
 | SmartPlant 3D | User submitted |
 | Imagineer Technical | User submitted |