XLSB to XLSX Converter
Convert Excel binary workbooks (.xlsb) into standard .xlsx files that every spreadsheet tool can open.
Drop your files here or click to upload
Supports .xlsb · up to 50MB
How to Convert XLSB to XLSX
- Upload your .xlsb file - Drag and drop or browse; several files convert as a batch.
- Convert locally - The binary workbook is parsed and rewritten as XLSX in your browser.
- Download - Save the .xlsx file and open it anywhere.