Convert to XLS

Convert any file to Microsoft Excel 97-2003 format — free, fast, and private

Planilhas

Escolher Arquivos

ou arraste e solte arquivos aqui

Tamanho máximo: 2GB

Seus arquivos são processados localmente no navegador. Nada é enviado a servidores.

About XLS Format

Microsoft Excel 97-2003 (.xls)

Microsoft Excel 97-2003 (.xls) is a spreadsheet file format.

Convert to XLS from any format

Choose a source format below to convert to Microsoft Excel 97-2003

XLSXXLS ODSXLS CSVXLS TSVXLS NUMBERSXLS XLSMXLS XLSBXLS

Frequently Asked Questions

How do I convert files to XLS?

Simply upload your file using the converter above, select XLS as the output format, and click convert. The conversion happens instantly in your browser — no uploads needed.

What file formats can be converted to XLS?

You can convert 7+ formats to XLS, including XLSX, ODS, CSV, TSV, NUMBERS and more. Browse the full list of supported source formats above.

Is converting to XLS free?

Yes, Convert999 is 100% free with no limits. Convert as many files to XLS as you need — no registration, no watermarks, no hidden fees.

Is my data safe when converting to XLS?

Absolutely. All conversions happen locally in your browser. Your files are never uploaded to any server, ensuring complete privacy and security.

Explore XLS

XLS Converter

Convert from XLS

XLS Format

About Microsoft Excel 97-2003

File Tools

Compress, resize, merge

Format Glossary

Learn about formats

Other Popular Conversions

.pdfConvert to PDF .docConvert to DOC .docxConvert to DOCX .odtConvert to ODT .rtfConvert to RTF .txtConvert to TXT .htmlConvert to HTML .htmConvert to HTM .mdConvert to MD .texConvert to TEX