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Convert XLS (Excel) to XLSX (Excel)

Convert XLS spreadsheet documents to XLSX format online and free.

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Microsoft Excel Spreadsheet (Legacy) (.xls)

XLS Converter

Microsoft Excel Spreadsheet (.xlsx)

XLSX Converter

How to convert XLS to XLSX?

1Upload XLS File

Select any XLS file from your device to start uploading it.

2Select XLS Tools

Before clicking the Convert button, use any available XLS to XLSX tools.

3Download Your XLSX

When the conversion status changes to successful, click on the Download button to get the final XLSX spreadsheet document.

Convert XLS to XLSX

Frequently Asked Questions

How to change XLS format to XLSX?

To change XLS format to XLSX, upload your XLS file to proceed to the preview page. Use any available tools if you want to edit and manipulate your XLS file. Click on the convert button and wait for the convert to complete. Download the converted XLSX file afterward.

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