An aio file extension is associated with the A Programming Language.
There is one other file type using
the AIO file extension!
.aio - Bitmap file
AIO file extension - APL file transfer format
What is aio file? How to open aio files?
File type specification:
The aio file extension is related to APL (A Programming Language), a programming language developed by Ken Inversion from IBM in 1960.
The aio file contains data for file transfering.
Most likely no longer used.
This aio 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.