Filename Extensions
If you are seeking information about file extensions, then you are in the right place at right time.

Details of extension .oas

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

Below, you can find answers to the following questions:

  • What is the .oas file?
  • Which program can create the .oas file?
  • Where can you find a description of the .oas format?
  • What can convert .oas files to a different format?
  • Which MIME-type is associated with the .oas extension?
Fujitsu Oasys Document .oas file icon

Fujitsu Oasys Document

The OAS file is a Fujitsu OASYS Document. OASYS 100 (Office Automation SYStem) was the Fujitsu's first Japanese language word processor, announced as a Japanese language electronic typewriter in May 1980. All of Fujitsu's subsequent Japanese word processors were named "OASYS".
Detailed description not available
Category: Document files
Application: OASYS Viewer
Program name: -
Mime-type: application/
Magic bytes (HEX): -
Magic string (ASCII): -
Related extensions:
Fujitsu Oasys 2 Document
Fujitsu Oasys 3 Document

Other types of files may also use the .oas file extension. If you have helpful information about .oas extension, write to us!

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

Nokia Phone Add-on Software
Adobe Flash ActionScript
Intermodulation Analysis System Data
Lidar Data Exchange Format File
OpenAccess Database
Grand Theft Auto V Audio Data
OpenArchitectureWare Workflow Data
OAZ Fax Image
ObjectScript Source Code

The .oas filename extension is often given incorrectly!

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

osa (1), oaz (1), oac (1), las (1), ias (1), aos (1), pas (1), ows (1), os (1), oaw (1), oa (1), kas (1), as (1), oxs (1)

Can't open a .oas file?

If you want to open a .oas file on your computer, you just need to have the appropriate program installed. If the .oas association isn't set correctly, you may receive the following error message:

Windows can't open this file:

File: example.oas

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 from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program whith which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2003/2008/2012/2016, Windows 7, Windows 8, Windows 10, Linux, FreeBSD, NetBSD, OpenBSD, Mac OS X, iOS, Android