Files with oa3 file extension are used by Fujitsu Oasys 3 program. They are used as some document file format.
OA3 file extension - OASYS 3 document
What is oa3 file? How to open oa3 files?
File type specification:
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:
application/vnd.fujitsu.oasys3
This oa3 file type entry was marked as obsolete and no longer supported file format.
This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.
