.PA4 File

The pa4 file extension is associated with the Turbo Pascal, an integrated development tool for MS-DOS operating system, developed by Borland.

The pa4 file stores some kind of data used by Turbo Pascal.

This pa4 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.

How to open:

Probably not meant to be accessed by the user.

How to convert:

Probably cannot be converted to anything else.