Convert CSV to Excel Online — Free & Instant

Convert CSV files to Microsoft Excel (XLSX) format.

Drag and drop a CSV file here

Frequently Asked Questions

How do I convert a CSV file to Excel?
Upload your CSV file and FileNaut converts it to a properly formatted Excel (.xlsx) file. Columns, headers, and data types are preserved automatically.
Does it preserve data formatting?
Yes. Numbers, dates, and text are detected and formatted correctly in the Excel output. You can also preview the data before downloading.
Can I convert multiple CSV files at once?
You can convert CSV files one at a time, or use the CSV Merge to Excel tool to combine multiple CSV files into a single Excel workbook.

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Convert CSV to Excel Online Free | FileNaut