NO ITS NOT GLOWING SHIMMERING SPLENDID
Top Level Domain
Because it is the last segment of the domain name. The TLD is the letters immediately following the final dot in an Internet address. A TLD identifies something about the website associated with it, such as its purpose, the organization that owns it or the geographical area where it originates.
you need to click the icon of the microsoft excel then you can start opening the spreadsheet to close click the the x button on the upper right side or press CTRL W on your keyboard