A daily updated filename extension database!

OS2 file extension

The table below provides useful information about the .os2 file extension. It answers questions such as:

  • What is the .os2 file?
  • What program do I need to open a .os2 file?
  • How can the .os2 file be opened, edited or printed?
  • How can I convert .os2 files to another format?

Table of Contents

We hope you find this page helpful and a valuable resource!

1 extension(s) and 0 alias(es) found in database

✅ OS/2 Warp System File

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.
Category: Data files
Application: IBM OS/2 Warp
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
OS2 aliases:
OS2 related links:
OS2 related extensions:
OS/2 Warp Remote Software Update

Other types of files may also use the .os2 file extension.

🚫 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?

We found the following similar file extensions in our database:

ETCBC Word Parsing Data
Fluke Ti32 Thermal Imager Data
IRT Cronista Infrared Image
Stranded 2 Mapfile
Freescale S-record File
SmartWare Input-Screen File
Powernet Waveform File
OpenLP Service File
LabSat 2 Data

🔴 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 cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .os2 file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .os2 file extension, write to us!

🔴 Rate our OS2 page

Please help us by rating our OS2 page on a 5-star rating system below. (1 star is poor, 5 star is excellent)

4 of 5 stars (1 votes)
Thanks for voting!
Invalid vote.
Browser: Abbreviation Application Archive Audio Configuration Data Development Disk Image Document Ebook Font Game Data GIS Graphic Malware Multimedia Other Project Scam Unknown Video
This page is available in the following languages: Český Deutsch English Español Suomi Français Magyar Italiano 日本語 Nederlands Norsk Português Român Русский Svensk 中文