XLSX Excel Spreadsheets are different than the XLS version in that they use the Microsoft Office Open XML format. The Open XML format makes it easy for other programs, such as OpenOffice.org, to read XLSX files (and other Open XML file types). The Open XML format was introduced with Microsoft Office 2007.
It was first published anonymously in Paris in 1697 in Histoires ou contes du temps passe (PassÃ©: English stories Or tales Of Past), times a collection of eight fairy tales By. perrault
The tale has been around for centuries, but it was first written and recorded by Charles Perrault in 1697. There are many theories about the possible origins of the tale. Some tie the beginnings of it to child-killer and nobleman Gilles de Rais, who fought alongside Joan of Arc.