What is a .ADF File And How To Open It – ESRI (Simple Steps)

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While downloading files, you might have downloaded a file with the .adf extension. It is possible that you know what the file does, but you are unsure on how to open it. Don’t worry! This article explains everything about the .adf file extension, how to open and work with it on various systems.

What is a .ADF file?

The .ADF file extension comes from ESRI ArcInfo Binary Grid Format. The creator of this file extension is ESRI. This file belongs to the binary format and it is a GIS software file.

What to know

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

How to open a .ADF file?

Below we have written a comprehensive guide on how to open the .ADF file on various operating systems.

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

There are 4 simple steps to open the .adf file on Windows.

1. In the first step you need to download the GDAL software. This software will be used for opening the file. Other software that can be used in opening this file is: TatukGIS Editor and GDAL.

Step 2

Step 2: Locating your .ADF 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. In the fourth step, after clicking “Open with”, you should see the GDAL software that you have downloaded. Choose your software and click on “OK”. That’s all, now you have opened your file on Windows.

Still cannot open the .ADF file?

If you cannot open the .ADF file, it is entirely possible that you are trying to open the wrong file. There are many similar file extensions that look like the .ADF file.adf – The Sage Group, .adf – Software AG, .adf – Rockstar Games, .adf – Acorn Computers, .adf – PY Software. You might be trying to open the wrong file, please recheck if you are trying to open the right file extension again.


In this article you have learned how to open the .ADF file with the GDAL, TatukGIS Editor programs on Windows.