>> OS2 file

OS2 file format description

Many people share .os2 files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .os2 file can be edited, converted or printed with. On this page, we try to provide assistance for handling .os2 files.

1 filename extension(s) found in our database.

.os2 - OS/2 Warp System File

The OS2 data files are related to IBM OS/2 Warp. OS2 file is an OS/2 Warp System File. OS/2 is a series of computer operating systems, initially created by Microsoft and IBM, then later developed by IBM exclusively.

IBM OS/2 Warp
Data files
- / -
OS/2 Warp System File related extensions:
GTK+ Loaders Data
Base64 Encoded Inline Image
Open EDA Component Library Data
Egis Encrypted Excel XLAM Document
PlayStation Home Encrypted Data
DivX Author Template

Naturally, other applications may also use the .os2 file extension. Even harmful programs can create .os2 files. Be especially cautious with .os2 files coming from an unknown source!

Can't open a .os2 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 .os2 file extension is often given incorrectly!

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

is2, ls2, o2s, os, osw, osz, ox2, ps2, s2

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

ObjectScript Source Code
Fluke Ti32 Thermal Imager Data
Powernet Waveform File
IRT Cronista Infrared Image
Freescale S-record File
ETCBC Word Parsing Data

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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