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About Excel Spreadsheet
.xls is a file extension for Microsoft Excel spreadsheets. XLS had been the default Excel format, but Excel 2007 has Office Open XML as its primary file format.
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Supported by converters
Convertability
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About Excel Spreadsheet
.xls is a file extension for Microsoft Excel spreadsheets. XLS had been the default Excel format, but Excel 2007 has Office Open XML as its primary file format.
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