Convert XLSX to XLSB

No Signup required, Convert and Download High Qulity XLSB and use anywhere

Powered by Commercial Grade High Quality Excel Algorithms from ExcelMaster.ai. You will notice the higher output quality difference compared to competitors!

About Us

At ExcelMaster.ai, we're a group of Excel experts, AI researchers, and engineers dedicated to addressing the challenges Excel users face. Whether it's through our free tools or premium solutions, we aim to make your experience smoother. Try our Excel Add-In, the only AI capable of automating complex formulas, VBA, and Python tasks, with an advanced understanding of your real-world Excel structures—delivering far superior accuracy compared to ChatGPT and other basic AI tools. [Click Here]

XLSX to XLSB Overview

Our free tool allows you to convert Excel files into a variety of formats, offering maximum flexibility for your document conversion needs. It's fully online and compatible with multiple platforms, including Mac OS, Linux, Android, iOS, and more.

How to Convert XLSX Files to XLSB

  • Upload Your Files: Select the Excel files you want to convert and upload them to the website.

  • Start Conversion: Hit the "Convert" button to initiate the process.

  • Download: You can immediately download your converted files

  • File Deletion Notice: Please note that files are automatically deleted from our servers after 24 hours, and download links become inactive after this time.

Key Advantages - XLSX to XLSB

No Signup Required

Enjoy hassle-free usage with no sign-up needed. Works smoothly across platforms, including Windows, Mac, iOS, and Android.

Batch File Conversion

Easily convert multiple Excel spreadsheets in one go—upload up to 10 files at a time.

Data Privacy and Security

Your data is secured using advanced encryption methods and is never used for any other purposes. All files are permanently deleted after 24 hours.

Top-Tier, Commercial-Grade Quality

Our conversion algorithms are built with commercial-grade technology, ensuring flawless results even with complex Excel elements like charts and formatting. Although the conversion process is simple for you, our backend is carefully designed to deliver results comparable to leading commercial solutions. Each detail is carefully managed to ensure a premium quality experience.

What is XLSB?

XLSB, or Excel Binary Workbook, is a file format used by Microsoft Excel to store spreadsheet data in a binary format, which typically results in smaller file sizes and faster performance compared to traditional XLSX files. It is particularly useful for large datasets or complex spreadsheets with numerous formulas, macros, and other advanced features.

Loss of Macros

When converting to XLSB, users may encounter issues with existing macros not functioning properly or getting lost during the conversion process.

Compatibility Problems

Some older versions of Excel or other spreadsheet programs may not fully support the XLSB format, which can lead to compatibility issues when sharing files.

Data Corruption Risks

The binary nature of XLSB files may increase the risk of data corruption if the file is not converted or saved correctly, potentially leading to data loss.

Limited Accessibility

XLSB files are less accessible to users who do not have Microsoft Excel or compatible software, making it harder to share data with a wider audience.