XLSB to XLSX Converter

Convert XLSB to XLSX online quickly and easily. Just upload your file, convert it, and download the XLSX in seconds.

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What is XLSB ?

XLSB is Excel's binary workbook format: the same content as XLSX, but stored in a binary form that opens and saves faster for very large files.

XLSB format  ▶

What is XLSX ?

The XLSX file format is a spreadsheet file format created by Microsoft Excel, which is part of the Microsoft Office suite. It is based on the Open XML format and is widely used for storing and managing data in tabular form, allowing users to perform calculations, create charts, and analyze information efficiently.

XLSX format  ▶

How to convert XLSB to XLSX

  1. Upload your XLSB file
    Drag and drop your XLSB file, click 'Select Files' to upload from your device, or import directly from Dropbox, Google Drive, OneDrive, or paste a URL.
  2. Choose XLSX as output format
    The converter is preset to XLSX, but you can select any other output format before converting.
  3. Adjust settings (optional)
    If you like, tweak output options such as resolution, quality, or compression before converting.
  4. Convert the file
    Click the 'Convert' button. The conversion takes only a few seconds.
  5. Download your converted file
    Download the converted file to your device, or save it directly to Google Drive, Dropbox, or OneDrive.