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Excel Macros, or .xlsm, stores automated steps for repetitive tasks.
Excel file extension
Excel Workbook - .xlsx
Excel Macro-Enabled Workbook (code)- .xlsm
Excel Binary Workbook -.xlsb
Template - .xltx
What is the difference between an XLS and XLSX file?
The File Format Difference
Data is arranged in an XLS file as binary streams in the form of a compound file as described in [MS-XLS]. In contrast, an XLSX file is based on Office Open XML format that stores data in compressed XML files in ZIP format
What is .XLSX used for?
XLSX/XLS files are used to store and manage data such as numbers, formulas, text, and drawing shapes. XLSX is part of Microsoft Office Open XML specification (also known as OOXML or OpenXML), and was introduced with Office 2007. XLSX is a zipped, XML-based file format.
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