A78 File - opening and understanding

Did your computer fail to open an A78 file? We explain what they are used for and recommend software that we know can open or otherwise handle your .A78 files.

What is an A78 file?

An .A78 file is an Atari 7800 ROM file. Through our analysis of A78 files, we know that one use of the format is Atari 7800 ROM. We have not yet described in detail what these files contain and what they are used for, but our team is working tiredlessly through thousands of file formats. We'd love hearing from you if you have information about the format.

How to open A78 files

You will need a program compatible with the specific file you are trying to open, as different programs may use files with file extension A78 for different purposes.

While we have not verified the apps ourselves yet, our users have suggested 1 different A78 openers which you will find listed below.

Suggest another file format using extension A78

While we know of one file format using the .A78 file extension, there may be more. It is widespread that different programs use files with the same file extension for very different types of data. Please let us know if you are aware of a different kind of .A78 file.

Various viewers for this file format

These apps are known to open certain types of A78 files. Remember, different programs may use A78 files for different purposes, so you may need to try out a few of them to be able to open your specific file.

WinDS PRO AppsWinDS PRO AppsUser submitted
We have not verified any software that we know for certain will work with A78-files on Mac. If you know one, please use the 'Suggest a program' link below and tell us about it!
We have not verified any web services that we know for certain will work with A78-files. If you know one, please use the 'Suggest a program' link below and tell us about it!