OA3 file extension - OASYS 3 document file
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.