File extension Details of NOTEBOOK, GP3, GNP, GRK, GRADE, GRF, GRF, GXL, NSF

Name:	NOTEBOOK
File Type:	SMART Notebook File
Popularity:	3
Category:	data
File Description:	Notebook created with SMART Board Tools; may contain text, images, audio and video files, Flash animations, and other objects; often used with SMART Notebook whiteboarding software for educational purposes. Notebook lessons can be viewed with the free Notebook interactive viewer or other SMART Board software.
Open Programs:	Mac OS SMART Technologies Notebook interactive viewer (free) SMART Technologies SMART Board software (commercial) Windows SMART Technologies Notebook interactive viewer (free) SMART Technologies SMART Board software (commercial) Linux SMART Technologies Notebook interactive viewer (free) SMART Technologies SMART Board software (commercial)

Name:	GP3
File Type:	Guitar Pro 3 File
Popularity:	3
Category:	data
File Description:	Musical score format used by Guitar Pro 3, a music composition program for guitar and other plucked string instruments; contains tablatures for guitar, bass, or banjo; used for creating scores that can be played back using MIDI data or printed to a hard copy.
Open Programs:	Mac OS Arobas Music Guitar Pro 3 or later Windows Arobas Music Guitar Pro 3 or later

Name:	GNP
File Type:	GNPeak Output File
Popularity:	1
Category:	data
File Description:	Output file generated by gnpeak, an atomic analysis program for Unix systems; contains information about atomic structures. NOTE: A GNP file may also be a .PNG file with the extension reversed.
Open Programs:	Linux GNXAS

Name:	GRK
File Type:	Gradekeeper Class Gradebook File
Popularity:	3
Category:	data
File Description:	Gradebook created with Gradekeeper, a school attendance and grade tracking program; stores grades and attendance information for all students in a class. Student attendance, as well as homework and test scores, can be recorded using a Palm OS or Pocket PC device with Gradekeeper software installed; the data can later be transferred to a Macintosh or Windows computer.
Open Programs:	Mac OS Gradekeeper for Mac OS X Windows Gradekeeper for Windows Pocket PC Gradekeeper for Pocket PC (included with Windows version)

Name:	GRADE
File Type:	GradeStat Document
Popularity:	3
Category:	data
File Description:	Data file saved by GradeStat, a statistical program for exploratory data analysis; allows rapid investigation of large data sets; saved in a binary format that contains a data table along with optional plots, maps, and analysis results. The GradeStat program is developed by the Institute of Computer Science at the Polish Academy of Science in Warsaw, Poland.
Open Programs:	Windows GradeStat

Name:	GRF
File Type:	Generic Graph File   (Most common)
Popularity:	3
Category:	data
File Description:	Graph created by a number of different possible programs, including Micrografx Graph Plus, GraphEdit, Golden Software Graph, and Accelrys Insight II.
Open Programs:	Windows Graph Edit (graphedt.exe) Grapher (Grapher.exe) Other graphing program

Name:	GRF
File Type:	DPlot Graph File
Popularity:	3
Category:	data
File Description:	2D or 3D graph created from scientific plotting data; designed primarily for scientists, engineers, and other technical fields; can display probability charts, distribution plots, tripartite grids, polar charts, triangle plots, hydraulic scales, and other types of graphs. More information about the DPlot program, including the free DPlot Viewer, is available at the DPlot website.
Open Programs:	Windows HydeSoft Computing DPlot, DPlot Jr, or DPlot Viewer

Name:	GXL
File Type:	Graph Exchange Language File
Popularity:	3
Category:	data
File Description:	Exchange format for graphing data that allows graphs to be transferred between multiple software programs; written in an XML sublanguage; can be edited with a text editor and viewed in various graphing programs. GXL files can be interpreted with Java if the java.io.Gxl class is installed;
Open Programs:	Mac OS Graphviz GXL Validator Windows Graphviz Graph Tool JGraph Bauhaus Resource Graphs FAMIX TouchGraph GXL Validator Linux Graphviz XOgastan MetaCase MetaEdit+ GXL Validator XMI2GXL2XM

Name:	NSF
File Type:	Lotus Notes Database   (Most common)
Popularity:	3
Category:	data
File Description:	Database format used by IBM Lotus Notes, the client commonly used with IBM Lotus Domino servers
Open Programs:	Windows IBM Lotus Notes

Name:	NSF
File Type:	Lotus Domino Database
Popularity:	3
Category:	data
File Description:	Database format used by IBM's Lotus Domino enterprise servers, part of the IBM Workplace family
Open Programs:	Windows IBM Lotus Domino