GRA File

What are GRA files and how to open them

Are you having problems opening a GRA file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.

What is a GRA file?

GRA files have multiple uses, and Chasys Draw IES Gradient is one of them. Read more about the other uses further down the page.

Chasys Draw IES Gradient

We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

How to open GRA files

Important: Different programs may use files with the GRA file extension for different purposes, so unless you are sure which format your GRA file is, you may need to try a few different programs.

While we have not verified the apps ourselves yet, our users have suggested four different GRA openers which you will find listed below.

Last updated: July 13, 2020

More file formats using the GRA extension

Through our research of GRA files, we know that the following formats exist. However, we have not yet analyzed them in detail.

  • First Choice Graph
  • IBM Graphing Assistant Graph
  • Mini Office Graph Data

Various apps that use files with this extension

These apps are known to open certain types of GRA files. Remember, different programs may use GRA files for different purposes, so you may need to try out a few of them to be able to open your specific file.

CADlinkCADlinkUser submitted
Application GratingSurfaceViewerApplication GratingSurfaceViewerUser submitted
TruTops ConvertTruTops ConvertUser submitted

Help us help others helps thousands of users every day, and we would love to hear from you if you have additional information about GRA file formats, example files, or compatible programs. Please use the links below or email us at to discuss further.