Open 3 file

3 files: what are they and how do I open them?

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.3 file type #1: IBM Embedded ViaVoice language-specific script data in embedded devices

A 3 file extension is linked to the IBM Embedded ViaVoice speech recognition program. A 3 file contains data specific to a particular language script.

Further details:

The .3 file extension is associated with the IBM Embedded ViaVoice software. It is a voice recognition software developed by IBM. The .3 file contains voice type language scripts data. These files are used to store language script data for different languages supported by the software. This data is used to improve the accuracy of voice recognition.

The .3 file format is a proprietary format developed by IBM and can only be opened using the IBM Embedded ViaVoice software.

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IBM Embedded ViaVoice

IBM's speech technology for mobile devices

.3 file type #2: GNU Screen logs

A 3 file extension is related to the GNU Screen program. A .3 file contains log.

Further details:

The 3 file extension is associated with GNU Screen, an application a full-screen window manager that multiplexes a physical terminal between several processes, typically interactive shells, developed by Free Software Foundation, Inc.

The .3 file stores log created by the GNU Screen.

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A full-screen window manager for Windows

.3 file type #3: Solaris Boot Floppy Device Configuration Assistant software file

Files with 3 extension are used by the Solaris Unix OS. They include some data for Boot Floppy Device Configuration Assistant software.

Further details:

The 3 file extension is associated with Solaris Unix operating system variant for x86 and x86-64 platforms. The .3 file stores data for Boot Floppy Device Configuration Assistant software distributed with Solaris system.

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Solaris icon


A Unix certified operating system for workstations and servers

.3 file type #4: Roff, nroff, troff, groff systems in Unix unformatted manual pages

A 3 file extension is related to the Unix unformatted manual page format.

Further details:

The 3 file extension is associated with the roff, nroff, troff, groff text formatting and document processing systems integrated in the Unix operating system. The .3 file stores unformatted manual page file.

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Unix icon


A multi-tasking operating system for various platforms

macOS icon


A Unix-based desktop operating system for Apple Mac computers

Mac OS X icon

Mac OS X

Unix-based operating system for Apple Mac computers

FreeBSD icon


A Unix based operating system

NetBSD icon


A unix-derivate operating system

.3 file type #5: ZX Spectrum file type to store picture images

Files with 3 file extension are related to the ZX Spectrum picture image format.

Further details:

The 3 file extension is associated with the ZX Spectrum, an 8-bit computer with Zilog Z80 processor, developed by Sinclair Research company.

The 3 file stores picture image from ZX Spectrum computer.

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A viewer of pictures in native formats of classic computers

What is the meaning of a file extension?

File extensions are characters that appear after the dot in a computer file's name. For example, the file "unknown-file.3" has the file extension "3". This is used to identify which program should open the file or what file type it is.
File extensions help you organize and manage files. They provide a quick and easy way to identify and associate the file type with the appropriate software.

We can help you open your file

In our database, we have collected a huge number of different file extensions, detailed descriptions, and programs that can be used to open or otherwise work with the file extensions listed in our database.
This database is an invaluable resource for users who want to understand better file extensions and what they can do with them. It also allows users to know different file types with the same purpose.

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We have verified every software listed in our database. The software listed in our database includes links to the developer's or software's website. These links should allow you to download the right program for each file type. Using verified software from reputable sources helps minimize the risk of malware and viruses infecting your computer.