Files with gib extension were used by the Graph-in-the-Box Windows. This project is no more continuing.
GIB file extension - Graph-in-the-Box chart file
What is gib file? How to open gib files?
File type specification:
The gib file extension is associated with the Graph-in-the-Box Windows a presentation graphics package that provides capturing features, split-screen display and added charts.
The .gib file stores chart created in the Graph-in-the-Box.
Discontinued product.