CloudConvert is an online document and spreadsheet converter. Amongst many others, we support PDF, XLSX, XLS, CSV, ODS. Thanks to our advanced conversion technology the quality of the output will be as good as if the file was saved through the latest Microsoft Office 2021 suite.
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The "M" of XLSM stands for macro. Macros are programs embedded in Office documents used to automate different tasks. Staring from Excel 2007, XLSX spreadsheets that contain macros are saved with the XLSM extension.
XLSM ConverterXLSX is a proprietary spreadsheet file of Microsoft Excel that contains data. It contains data in rows or columns as well as charts. XLSX supports several mathematical functions also. It uses Open XML standard for containing data. It supports MS Office 2007 and above versions.
XLSX Converter