>> A83 file

A83 file format description

Many people share .a83 files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .a83 file can be edited, converted or printed with. On this page, we try to provide assistance for handling .a83 files.

1 filename extension(s) found in our database.

.a83 - EightyOne Sinclair ZX81 ROM Image

The A83 data files are related to EightyOne. The A83 file is a EightyOne Sinclair ZX81 ROM Image. EightyOne is an emulator for several home computers made by Sinclair Research (And their clones) in the 1980s.

Data files
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EightyOne Sinclair ZX81 ROM Image related extensions:
EightyOne ROM Image

Naturally, other applications may also use the .a83 file extension. Even harmful programs can create .a83 files. Be especially cautious with .a83 files coming from an unknown source!

Can't open a .a83 file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .a83 file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

a8, au3, x83

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Cubicomp PictureMaker Animation Data
AutoIt v3 Script

Operating systems currently supports the following operating systems:

Windows XP/Vista, Windows 7/8, Windows 10, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, Mac OS X, iOS, Android

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