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XLS File

This page contains information on the XLS file extension (Microsoft Excel Spreadsheet), a popular document file format

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 Convert XLS file
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
 

Convert XLS file

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

xls to bmp (Windows bitmap)
xls to csv (Comma Separated Values)
xls to gif (Compuserve graphics interchange)
xls to html (Hypertext Markup Language)
xls to html4 (Hypertext Markup Language)
xls to html5 (Hypertext Markup Language)
xls to jpg (JPEG compliant image)
xls to mdb (Microsoft Access Database)
xls to numbers (Apple iWork Numbers Spreadsheet)
xls to numbers09 (Apple iWork '09 Numbers Spreadsheet)
xls to ods (OpenDocument spreadsheet)
xls to pdf (Portable Document Format)
xls to png (Portable Network Graphic)
xls to rtf (Rich Text Format)
xls to tiff (Tagged image file format)
xls to txt (Text Document)
xls to xlsx (Microsoft Excel 2007 Spreadsheet)
xls to xml (Extensible Markup Language)

Convert XLS file