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
There is no UR-fairy tale as such--although the version of Cupid and Psyche by Apulieus c. 125 AD comes close. . The Disney version Cinderella with her fairy godmother was written by Charles Perrault in 1697 who probably got a version from Basile who published a version in 1637. Perrault added the fairy godmother and the glass slippers. Disney added the singing mice and birds.