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.xlsb

File Type Microsoft Excel Binary Spreadsheet IconMicrosoft Excel Binary Spreadsheet
File Format Proprietary (Microsoft)
Usage Open manually
Popularity ★ ★ ★ ★ ☆  Common
Description

Excel spreadsheet saved in the Office 2007 binary format (BIFF12); differs from the standard Excel 2007 format (.XLSX), which saves data as text using the Open XML format

Open With
Windows

IconMicrosoft Excel

IconOpenOffice Calc

macOS

IconMicrosoft Excel

IconOpenOffice Calc

Unix

IconOpenOffice Calc

Published 2007
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Information from the PC File Extensions Reference
https://pc.net/extensions/xlsb
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