Convert Files to XLSX

Create Excel XLSX spreadsheets from supported documents and data formats. Choose a converter below—no signup or watermark.

3 input options·Batch conversion·Secure processing

XLS→XLSX

Convert Excel XLS workbook to XLSX workbook.

CSV→XLSX

Convert CSV table to XLSX workbook.

ODS→XLSX

Convert OpenDocument spreadsheet to XLSX workbook.

Export XLSX files

See the formats available when converting from XLSX.