A78 File Extension

A78 file extension is created by Developer, also known as Atari 7800 ROM. A78 has been classified as Game Files. This File type categories under Zip, Text, Binary and XML, however, the format of this file format has not been determined yet. You can open A78 files in MESS program.

Atari 7800 ROM File Type

What is a A78 File Type?

The A78 files are used by a variety of emulators to play older Atari games on the computer. Some Atari 7800 emulators that open A78 files include Emu7800, ProSystem Emulator, MESS and OpenEmu.

The Atari 7800 is a video game console that replaced the Atari 5200. Some of the 7800 games include Centipede, Dig Dug, Ms. Pac-Man, and Desert Falcon.

Free online A78 Tools & Apps

We have also the free online .A78 (Atari 7800 ROM) file extension apps that can allow to view, edit, convert from to A78, merge, split and compare the A78 files without installing anything on your system. Please click on the links to explore the complete list of details for each required feature.

A78 Converter

Open A78

Edit A78

Compare A78 Files

Merge A78 Files

Split A78 Files

A78 Metadata Viewer

A78 Files Common Issues

There are few common issues with the Atari 7800 ROM .A78 File Extensions while opening the .A78 files on Windows and MacOs, we have solution to those issues such as:

Can't Open A78 Files?

1. You must have supported software programs installed for Atari 7800 ROM on your system such as MESS.
2. Associate default Mess MESS program for *.a78 (Atari 7800 ROM) files.
   
   

   Associate A78 Default Program on Windows

   1. Right-click a *.A78 (e.g example.a78) file and click Open With.
   2. In the Open with dialog box, click Mess MESS program Or click Browse to locate the program (*.exe) that you want.
   3. Select check box for Always use this app to open .a78 files.
   
   

   Associate A78 Default Program on MacOs

   1. Click *.A78 (e.g example.a78) file and click information -> Open With.
   2. In the programs list, click Mess MESS program Or other appropriate program that you want.
   3. Confirm Change for all... and Contine.
   4. A message will appear "This change will be applied to all files with .MESS extension. By clicking Continue you confirm your selection", click Contine to apply changes.

Related A78 File Extensions

A78 default file extension is .A78 and other similer related extensions are:

All Platform Software Programs for A78 File Extension

List of all softwares that can open the A78 files on each platforms such as Windows, Mac, iOS, Linux, Web and Android, you may click the each software link for more details for other supported formats for each software and the verified direct download links for each software with complete lisensing details.

Open A78 File on Windows

	Software	License	Developer
	MESS 000 for Windows	Free	MESS

Open A78 File on Mac OS

	Software	License	Developer
	OpenEmu 000 for MacOs	Free	OpenEmu

Open A78 file on Linux

Open A78 file on Web

Open A78 file on iOS

Open A78 file on Android

About Licensing

1. Free Trial This software are often used for an attempt period, like 14 days, before requiring payment. Some trial versions have a reduced feature set.
2. Free This software is liberal to use. Examples include open-source , freeware software, like free programs supported by advertising.
3. Free⁺ This software is liberal to download and use, but contains in-app purchases (IAP) to unlock additional content or functionality.
4. Paid This software must be purchased so as to use it. it's going to be offered as a perpetual license or ongoing subscription.
5. Included with OS This software is bundled with an OS , like Windows, macOS, or Android.

About A78 - Atari 7800 ROM

Listed file converters are from the wide range of online file converter.

These are the most polular file/document converters based on the user's review and usage on the FileProInfo.