Supports up to 1,048,576 rows and 16,384 columns per worksheet.
Unlike older binary formats, .xlsx files generally do not store VBA macros (which require .xlsm ), providing a layer of security against malicious code. hemenbahis.xlsx
An .xlsx file is the default format for Microsoft Excel versions 2007 and newer. It is technically a based on the Open XML standard, containing a structured collection of XML documents that define the workbook's content, styles, and relationships. Key characteristics of this format include: Supports up to 1,048,576 rows and 16,384 columns