All references to the XML files included in the package are referenced in this XML file. It lists the content types for parts within the package.

This is the only file that is found at the base level when the zip is extracted.

A blank workbook, when extracted to its files, has the following constituent files and folders.xml In order to see what is inside the XLSX file, just rename it to ZIP file by changing its extension and then extract it to view the constituent files of this Excel workbook. The official XLSX file format specifications are available online from Microsoft. It was in the early 2000 when Microsoft decided to go for the change to accommodate the standard for Office Open XML. By 2007, this new file format became part of Office 2007 and is carried on in the new versions of Microsoft Office as well. The new file type has added advantages of small file sizes, less changes of corruption and well-formatted images representation. Previous to XLSX, the common file format used was XLS that was pure binary file format. XLSX file format was introduced in 2007 and uses the Open XML standard adapted by Microsoft back in 2000. The underlying structure and files can be examined by simply unzipping the. 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. XLSX is well-known format for Microsoft Excel documents that was introduced by Microsoft with the release of Microsoft Office 2007.

Opal viewer lite file type