Definitions for "xls"
File extension that is associated with digital documents created in Microsoft Excel. If you have or are given a file with this extension on it (for example, Budget.xls), it is likely the document was originally created in Microsoft Excel.
Spreadsheet Excel
Microsoft Excel spreadsheet file.
Commercial, customer, provider and facturation maintenances.
Keywords:  css, xml, derived, sheets, style
System of style sheets for use with XML, derived from CSS.
Keywords:  crystals
Keywords:  shot, extra, long
Extra long shot.