This page contains information on the XLSX file extension (Microsoft Excel Open XML document), a popular video file format

XLSX XLSX (Document)

File extension .xlsx
Category Document File
Description As part of Microsoft's 2007 Office suite of products another open XML document type was introduced. This time in the Excel sphere, Excel is known world wide. It is a powerful tool you can use to create and format spreadsheets, graphs, do complex maths and much more. You are able to create diverse spreadsheets with multiple workbooks, formulae, and various data sources. Files can be saved in the XLSX format, which is based on the Open XML format and uses ZIP compression for smaller file sizes.
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Technical Details XLSX improves file and data management and data recovery. XLSX extends what is possible with the binary files of earlier versions. Any application that supports XML can access and work with data in the new file format. The application does not need to be a Microsoft product it can be any application. Users can also use standard transformations to extract or repurpose the data. In addition, security concerns are drastically reduced because the information is stored in XML, which is essentially plain text. Thus, the data can pass through corporate firewalls without hindrance.
Associated programs
  • Microsoft Excel 2007
  • OxygenOffice Progessional (Linux)
  • OpenOffice
Developed by Microsoft
MIME type
  • application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
Useful links

XLSX Convert XLSX file

Using Zamzar, it is possible to convert XLSX files to a variety of other formats

XLSX Converter Document