What is a .A78 File And How To Open It (Visual Guide)

Table of Contents

Introduction

Have you came across a file with the .a78 extension, but it is a file you have never seen before? Perhaps you know what the file is, but you simply don’t know how to open it. Thanks to this easy guide you will be able to find out what .a78 file extension is, how to open it and how to work with it.

What is a .A78 file?

The .A78 file extension stands for Atari 7800 ROM. This game related file is in binary format.

What to know

There are currently 2 software that can open the .a78 file on 2 platforms.

How to open a .A78 file?

Below we have written a comprehensive guide on how to open the .A78 file on various operating systems.

How to open a .A78 file on Windows (7, 8, 10)

We have written below an easy-to-understand guide on how to open the .a78 file on Windows in 4 easy steps.

1. In the first step you need to download the MESS software. You will be using this software in order to open the file.

Step 2

Step 2: Locating your .A78 file

2. The second step is locating the downloaded file. The file can be usually found in your /download/ folder if you don’t remember where you have downloaded it to.

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 MESS software that you have downloaded. Click on the software and click “OK”. That’s all, now you have opened your file on Windows.

How to open a .A78 file on Mac

The .a78 file can be opened in 4 steps on Mac.

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

Step 2

Step 2: Finding your .A78 file

2. The second step is locating the downloaded file. The file can be usually found in your /download/ folder if you don’t remember where you have downloaded it to.

Step 3

Step 3: Clicking “Open with”

3. In the third step right click on your file and choose “Open with”.

Step 4

Step 4: Choosing the software to open your file

4. After choosing the “Open with” option, you will have an option to choose the OpenEmu software you have downloaded. Choose your software and click on “OK”. That’s all, now you have opened your file on Mac.

Still cannot open the .A78 file?

If you cannot open the .A78 file, it is entirely possible that you are trying to open the wrong file. There are many similar file extensions that look like the .A78 file.a7d – Adobe Systems, .a7l – Adobe Systems, .a7p – Adobe Systems, .a7r – Adobe Systems, .a8s – Steven Glanville. You might be trying to open one of them. Please recheck the file extension again.

Conclusion

In this article you have learned how to open the .A78 file with the MESS program on Windows and OpenEmu program on Mac.