>> 3EX file

3EX file format description

Many people share .3ex files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .3ex file can be edited, converted or printed with. On this page, we try to provide assistance for handling .3ex files.

1 filename extension(s) found in our database.

.3ex - UnoCart 2600 ROM Image

The 3EX data files are related to UnoCart 2600. The 3EX file is an UnoCart 2600 ROM Image. The UnoCart 2600 is an Atari 2600 cartridge emulator.The Atari 2600 is the first successful video game console. The UnoCart 2600 seems to be no longer supported.

UnoCart 2600
Data files
- / -
UnoCart 2600 ROM Image related extensions:
HotDocs Answer Library
GPS Exchange Format Data
Chief Architect Legacy Library
Moltemplate Data File
NanoDrop Legacy Data
Real-time PCR Data Markup Language Data

Naturally, other applications may also use the .3ex file extension. Even harmful programs can create .3ex files. Be especially cautious with .3ex files coming from an unknown source!

Can't open a .3ex 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 .3ex file extension is often given incorrectly!

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

3dx, 3es, 3fx, 3x, 3xe, eex, ex, rex, wex

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Oracle BI Discoverer EUL Export
WexView Browser Course Data
Norton Ghost Template Data
CorelDRAW Corel Chart 3D Effect Data
ReCycle Loop Data
Advent 3B2 Document Entity

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

If you find the information on this page useful, please feel free to link to this page.

If you have useful information about the .3ex file format, then write to us!