.OS3 File Extension
- Developer by: IBM
- Category: Various data Files
What are .OS3 files and how to open them?
Can't open .OS3 file? Are you wondering what it contains? On our site we will explain to you what this file is, what it is used for and what software opens the .OS3 file.What is a .OS3 file extension?
.OS3 file extension is created by IBM. .OS3 has been classified as Various data Files.
.OS3 is OS/2 Warp 3 data
The os3 file extension is related to the OS/2, an operating system for IBM-PC compatible computers, developed by IBM.
The os3 file stores some kind of data from OS/2 Warp 3.
Most likely obsolete file format.
.OS3 file format is deprecated and this file format is no longer supported.
Currently, .OS3 file type is not actively used and is obsolete. This usually happens with system files in older operating systems, files from long-discontinued software, or with previous versions of some file types (documents, projects, images, etc.) that were replaced in later versions of the original programs.