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XLSX file format

Microsoft Excel Workbook

XLSX is the spreadsheet format of Microsoft Excel since 2007. It stores several sheets with formulas and formatting in one file.

Convert XLSX to CSVDocument converter

Where XLSX files open

Excel
Native format of Excel.
Yes
Google Sheets
Opens and exports XLSX.
Yes
Numbers
Apple Numbers opens and exports XLSX.
Yes

Convert XLSX to

11 formats
Image
Document
Spreadsheet
Markdown and HTML

Convert to XLSX

11 formats
Spreadsheet

Other spreadsheet formats