.GALLERYITEM file extension

This is the basic program to work with .GALLERYITEM extension

Notebook Interactive Viewer

Notebook Interactive Viewer SMART Gallery Item

The viewer allows you to exchange Notebook files with any of your colleagues, even if they don't have access to the full version of Notebook software. You can also view your content created in Notebook software on any computer and present the material using any brand of interactive whiteboard... (more)

The program works with the following extensions: nbk, xbt, xbk and notebook

.GALLERYITEM extension is also supported by the following programs:

SMART Notebook Software

SMART Notebook Software SMART Gallery Item

Create interactive lessons using graphics, text, tables, shapes, and animations.
SMART Notebook SE

SMART Notebook SE Gallery Item

Students have multiple ways of searching and accessing files.