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
One of the most popular versions of Cinderella was written by Charles Perrault in 1697. The popularity of his tale was due to his additions to the story including the pumpkin, the fairy-godmother and the introduction of glass slippers.