If you use NodeXL to create network graphs and you would like to upload some of them to this Web site, just go to the following item in the Excel® Ribbon:

• NodeXL, Data, Export, To NodeXL Graph Gallery

If you don't see "To NodeXL Graph Gallery" in the Export menu, it's because you have an older version of NodeXL. You can download the latest version at the NodeXL Downloads page.