Fast, secure and free online tool to convert Excel XLSX files to classic XLS format. Preserve all tables, data and formatting. No watermark, no registration required.
Click or drag XLSX file to upload
Your XLSX has been converted to XLS successfully.
Our free XLSX to XLS converter helps you convert modern Excel XLSX spreadsheets into legacy XLS format quickly and easily. Converted XLS files are perfect for compatibility with older Microsoft Excel versions or legacy systems while keeping your original spreadsheet tables, data and layout intact.