Files with xlsb extension is used by Microsoft Excel spreadsheet editor distributed with the Microsoft Office. An xlsb file contains Excel workbook stored in a binary file format (BIFF12). The BIFF12 binary format is used for data that can not be stored in the Open XML text format.

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Software that open xlsb file

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XLSB file extension - Microsoft Excel binary workbook

What is xlsb file? How to open xlsb files?

File type specification:

Microsoft Office file type icon Microsoft Office file type

Spreadsheet and workbook file type icon Spreadsheet and workbook file type

xlsb file icon: xlsb filetype icon

The xlsb file extension is associated with Microsoft Excel, one of the most popular and powerful tool you can use to create format spreadsheets, graphs and much more.

The xlsb files are used in Microsoft Excel 2007, 2010, 2013 and 2016 for Workbooks, spreadsheet document files saved in the binary format (BIFF12), instead of the new Open XML xlsx Excel workbook file format.

The basic purpose of both files is the same, however the *.xlsb files are a little larger and operate more efficiently in Microsoft Excel.

MIME type used for .xlsb file type:

Updated: May 28, 2021

The default software associated to open xlsb file:

Microsoft Excel icon

Microsoft Corporation logoMicrosoft Excel  Microsoft Windows software

Company or developer:
Microsoft Corporation

A popular spreadsheet application distributed with Microsoft Office suite, Excel is offers calculating, contains graphing tools, pivot tables and own programming language based on Visual Basic.

Excel supports charts, graphs or histograms generated from specified groups of cells. Excel also can change data between other Microsoft Office applications. It is available for Microsoft Windows, Mac OS X (macOS) and various mobile platforms.

Microsoft Excel for Mac icon

Microsoft Corporation logoMicrosoft Excel for Mac  Apple macOS / Mac OS X software

Company or developer:
Microsoft Corporation

Microsoft Excel for Mac is popular spreadsheet application used to analyze, organize and manage data and lists. It is able to create visually rich datasheets and tables with icons, data bars and color scales. Microsoft Excel for Mac is fully compatible with Microsoft Excel for Windows.

Office 365 icon

Microsoft Corporation logoOffice 365  Multiplatform software

Company or developer:
Microsoft Corporation

Office 365 is a subscription-based service that gives users access to several services and apps from Microsoft Office. It is available some types of subscription editions (for Home, Education, Business and Enterprise users) available for Microsoft Windows and Apple macOS and all major mobile platforms.

Related articles:

File types supported in Microsoft Excel 2010

Help how to open:

You can open the *.xlsb files in Microsoft Excel or any other application with support of this format, such as, StarOffice or Ashampoo Office.

How to convert:

Microsoft Office Excel also supports other spreadsheet formats. You can save a *.xlsb file into another format with the save as function. You can probably convert the *.xlsb in other suitable applications, which can handle the files, as well.

Find conversions from xlsb file:

xlsb to csv

xlsb to mdb

xlsb to pdf

xlsb to xls

xlsb to xlsm

xlsb to xlsx

xlsb to xml

Find converter to xlsb file type:

csv to xlsb

ods to xlsb

xls to xlsb

xlsm to xlsb

xlsx to xlsb

xml to xlsb

_xls to xlsb

List of software applications associated to the .xlsb file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open xlsb file, edit xlsb file, convert xlsb file, view xlsb file, play xlsb file etc. (if exist software for corresponding action in's database).

Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting xlsb files.

Software that open xlsb file - Microsoft Excel binary workbook

Programs supporting the exension xlsb on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about listed programs for open xlsb file action.

Microsoft Windows:

Apple macOS / Mac OS X:

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