File Extension Library

.OA3 File Extension

  • Category: Document Files

What are .OA3 files and how to open them?

Can't open .OA3 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 .OA3 file.

What is a .OA3 file extension?

.OA3 file extension has been classified as Document Files.

.OA3 is OASYS 3 document

The oa3 file extension is associated with Fujitsu Oasys 3.

The OASYS 100 (Office Automation System) was the Fujitsu's first Japanese language word processor. All of Fujitsu's subsequent Japanese word processors were named OASYS.

Mime types:

.OA3 file format is deprecated and this file format is no longer supported.

Currently, .OA3 file type is not actively used and is obsolete.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.

How to open:

Use OASYS to work with *.oa3 files.

How to convert:

As far as we know, this .oa3 file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

How to fix problems with .OA3 files

  1. You need to update the application that you normally use to open .OA3 files. Only the latest version of the software supports the current .OA3 file format
  2. You need to check the .OA3 file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)