Convert EXCEL to XLSB
How to convert Excel files to XLSB format for faster performance and smaller file sizes.

How to convert excel to xlsb file
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Understanding Excel and XLSB file formats
Excel files typically refer to spreadsheets created with Microsoft Excel, most commonly saved in the XLSX format. XLSX is an XML-based format introduced in Excel 2007, known for its compatibility and wide support. On the other hand, the XLSB (Excel Binary Workbook) format is a binary file type that stores Excel workbooks in a more compact and faster-to-open structure, making it ideal for large or complex spreadsheets.
Why convert Excel to XLSB?
Converting an Excel file to XLSB can significantly reduce file size and improve performance, especially with large datasets or workbooks containing complex calculations. XLSB files also open and save faster than their XML-based counterparts, making them suitable for power users and enterprise environments.
How to convert Excel to XLSB
The most reliable way to convert an Excel file to XLSB is by using Microsoft Excel itself. Here’s how you can do it:
- Open your Excel file in Microsoft Excel.
- Go to File → Save As.
- Choose the destination folder.
- In the Save as type dropdown, select Excel Binary Workbook (*.xlsb).
- Click Save.
Best software for Excel to XLSB conversion
Microsoft Excel is the best and most accurate tool for converting Excel files to XLSB, as it preserves all formatting, formulas, and features. For users without Excel, LibreOffice Calc can open XLSX files and save them as XLSB, though some advanced features may not be fully supported.
Online converters
Several online converters, such as Zamzar and CloudConvert, offer Excel to XLSB conversion. However, for sensitive or complex files, using desktop software like Microsoft Excel is recommended to ensure data integrity and privacy.
Note: This excel to xlsb conversion record is incomplete, must be verified, and may contain inaccuracies. Please vote below whether you found this information helpful or not.