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XLSX to XLS

Convert XLSX to XLS - Convert your file now - online and free - this page also contains information on the XLSX and XLS file extensions.


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File extension.xlsx
CategoryDocument File
DescriptionAs 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.
Actions XLSX to XLS - Convert file now
View other document file formats
Technical DetailsXLSX 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
OpenOffice
OxygenOffice Progessional (Linux)
Developed by Microsoft
MIME type  application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
Useful links More detail about the XLSX format
How to open an XLSX file for free
Convert XLSX file
 

Convert XLSX file

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

xlsx to csv (Comma Separated Values)
xlsx to html (Hypertext Markup Language)
xlsx to html4 (Hypertext Markup Language)
xlsx to html5 (Hypertext Markup Language)
xlsx to mdb (Microsoft Access Database)
xlsx to ods (OpenDocument spreadsheet)
xlsx to pdf (Portable Document Format)
xlsx to rtf (Rich Text Format)
xlsx to xls (Microsoft Excel Spreadsheet)
xlsx to xml (Extensible Markup Language)

XLSX to XLS - Convert file now

Convert xlsx to xls

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File extension.xls
CategoryDocument File
DescriptionMicrosoft Excel is a commercial spreadsheet application written and distributed by Microsoft for Microsoft Windows and Mac OS X. Pre-2007 versions of Excel use XLS as the primary format for saving files. It features calculation, graphing tools, pivot tables, and a macro programming language called Visual Basic for Applications. It has been a very widely applied spreadsheet for these platforms, especially since version 5 in 1993, and it has almost completely replaced Lotus 1-2-3 as the industry standard for spreadsheets. Excel forms part of Microsoft Office. The current versions are 2010 for Microsoft Windows and 2011 for Mac OS X.
Actions XLSX to XLS - Convert file now
View other document file formats
Technical DetailsMicrosoft Excel up until 2007 version used a proprietary binary file format called Binary Interchange File Format (BIFF) as its primary format. Used as the basis for XLS files it is a persistence format that supports authoring and manipulating content in workbooks and workbook templates. Most versions of Microsoft Excel can read CSV, DBF, SYLK, DIF, and other legacy formats.
Associated programs Microsoft Excel
Microsoft Excel Viewer
OpenOffice
Developed by Microsoft
MIME type  application/vnd.ms-excel
Useful links More detail about the XLS format
How to open an XLS file without Microsoft Excel
Microsoft Office binary file format specifications
Convert XLS file