Build 3.5.0.86 adds support for more features from XLSB files and is a continuation from what was introduced in build 3.5.0.84. The features are in bold below.

Imported features from XLSB files are :

• worksheets and their properties (name, hidden or not, ...)
  
• row formatting, column formatting
  
• values in cells (numbers, strings, dates, booleans, errors)
  
• formatting in cells (font, number format, alignment, border, fill, lock)
  
• rich-formatted strings
  
• formulas
  
• merged cells
  
• defined names
  
• page setup and header/footer
  
• conditional formattings
  
• VBA macros
  
• charts
  
• text boxes, pictures and vector shapes
  
• hyperlinks
  
• comments
  
• document metadata
  
• data validation objects
  
• sheet selection, protection, sheet level properties
  
• page breaks
  
• tables
  
• freeze/split panes
  

Last but not least, the automatic source code generator that is part of the xlsgen install can also open XLSB files.