A rab file extension is related to the Encyclopedia Britannica 2002 Deluxe Edition. A rab file stores some kind of data.
RAB file extension - Encyclopedia Britannica 2002 Deluxe Edition data
What is rab file? How to open rab files?
File type specification:
The rab file extension is associated with the Encyclopedia Britannica 2002 Deluxe Edition, application for Windows that stores Encyclopedia Britannica data in electronic interactive format.
It is obsolete application. Now is Britannica stored on-line on Internet.
This rab 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.