What is a .IMG File And How To Open It – ERDAS (Simple Steps)

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While downloading files, you might have downloaded a file with the .img extension. You most likely know what the file is, but you might be unsure on how to open it. Thanks to this easy guide you will be able to find out what .img file extension is, how to open it and how to work with it.

What is a .IMG file?

The .IMG file extension comes from ERDAS IMAGINE Image File. It was developed by ERDAS. The format of this GIS software file is binary.

What to know

There are currently 2 software that can open the .img file on 1 platform.

How to open a .IMG file?

Below we will show you a step-by-step guide on how to open the .IMG file on various operating systems.

How to open a .IMG file on Windows (7, 8, 10)

The .img file can be opened in 4 steps on Windows.

1. In the first step you need to download the GDAL software. You will be using this software in order to open the file. You can also use ERDAS IMAGINE and GDAL software.

Step 2

Step 2: Locating your .IMG file

2. In the second step you need to locate the downloaded file. If you don’t remember where you have downloaded your file to, you should check your /download/ folder as it usually gets automatically saved there.

Step 3

Step 3: Choose “Open with”

3. In the third step, after locating your file, right click on it and click “Open with”.

Step 4

Step 4: Choose the software and click ok

4. After choosing the “Open with” option, you will have an option to choose the GDAL software you have downloaded. Click on the software and click “OK”. Congratulations! You have opened your file on Windows.

Still cannot open the .IMG file?

If you are still unable to open the .IMG file, it might be because you are trying to open the wrong one. There are many similar file extensions that look like the .IMG file.img – Disc Image Data File, .img – Rockstar Games, .img – Apple, .img – Garmin, .img – Novell. You might be trying to open one of them. Please recheck the file extension again.


In this article you have learned how to open the .IMG file with the GDAL, ERDAS IMAGINE programs on Windows.