The virtual reality modeling language (VRML) is a file format for representation of interactive 3D world objects over the world wide web (www). It finds its usage in creating three-dimensional representations of complex scenes such as illustrations, definition and virtual reality presentations. The format has been superseded by X3D. Many 3D modelling applications can save objects and scenes in VRML format.
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XLSX is well-known format for Microsoft Excel documents that was introduced by Microsoft with the release of Microsoft Office 2007. Based on structure organized according to the open packaging conventions as outlined in part 2 of the OOXML standard ECMA-376, the new format is a zip package that contains a number of XML files. The underlying structure and files can be examined by simply unzipping the .xlsx file.
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