Excel to Excel (97-2003) Converter
Convert XLSX to XLS online for free. Excel to Excel (97-2003) in seconds — no software install, no watermark, secure and fast.
Drag & drop your XLSX file here, or
How to convert Excel to Excel (97-2003) in 3 steps
- 1
Upload your Excel file
Drag and drop or select the Excel file you want to convert.
- 2
Choose Excel (97-2003) as output
The output format is pre-selected for you — just confirm and start the conversion.
- 3
Download your file
Once processing finishes, download your converted Excel (97-2003) file instantly.
Benefits of converting Excel to Excel (97-2003)
Get compatibility with legacy Excel 97-2003 installations
Switching from Excel to Excel (97-2003) means your file now offers compatibility with legacy Excel 97-2003 installations.
Wider compatibility
Excel is great for editable spreadsheets with formulas, but not every app or device handles it well. Converting to Excel (97-2003) sidesteps that, so the file opens wherever you need it to.
No quality compromise
ConvertFastHub runs LibreOffice at production settings, preserving as much of the original Excel fidelity as the Excel (97-2003) format allows.
Keep your original too
Converting doesn't touch your source file — you get a brand-new Excel (97-2003) file back and can keep both versions.
Frequently asked questions
- How do I convert Excel to Excel (97-2003) online?
- Upload your Excel file above, select Excel (97-2003) as the output format, and click Convert. ConvertFastHub processes the file in the cloud and gives you a download link — no software installation required.
- Is it free to convert Excel to Excel (97-2003)?
- Yes. Free accounts get 10 conversions every 24 hours with files up to 50MB. For unlimited conversions, larger files up to 1.5GB, and priority processing, upgrade to ConvertFastHub Pro.
- What's the advantage of Excel (97-2003) over Excel?
- Excel (97-2003) offers compatibility with legacy Excel 97-2003 installations. Meanwhile, Excel is known for editable spreadsheets with formulas, charts, and formatting in Excel — the right choice depends on where you plan to use the file.
- Will converting Excel to Excel (97-2003) reduce quality?
- ConvertFastHub uses production-grade engines (FFmpeg, LibreOffice, ImageMagick) configured for maximum fidelity. Some format conversions are inherently lossy by design; where possible, we preserve the original quality.
- Is my file safe when I convert it?
- Files are uploaded over an encrypted connection directly to storage, processed in an isolated sandboxed worker, and permanently deleted within 24 hours.