>> OAS file

OAS file format description

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

1 filename extension(s) found in our database.

.oas - Fujitsu Oasys Document

The OAS document files are related to OASYS Viewer. 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".

OASYS Viewer
Document files
- / -
Fujitsu Oasys Document related extensions:
Fujitsu DexNet 200 Fax Document
RealVue 3D Packager Document
EximiousSoft GIF Creator Document
EViews Workfile
DevCad CAM Pro Document
DevCad Document

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

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

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

aos, as, ias, las, oa, oac, oaw, oaz, os, osa, ows, oxs, pas

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Nokia Phone Add-on Software
ObjectScript Source Code
Intermodulation Analysis System Data
OpenAccess Database
Grand Theft Auto V Audio Data
Racer Onyx Script

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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If you have useful information about the .oas file format, then write to us!

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