Open XLSX File Extension – [What it is and How to Open XLSX files]

  File Type Microsoft Excel Open XML Spreadsheet Aka’ XLSX Who Developed it Microsoft File Format Zip   MIME Type application/vnd.openxmlformats-officedocument.spreadsheetml.sheet   Category Spreadsheet Files A file with the .xlsx / .xls suffix is Microsoft Excel spreadsheets mainly used to create mathematical models and store financial data. Documents with XLSX and XLS extension contain a … Read more