How to Repair Excel Strict Open XML Spreadsheet ?
File Format In Microsoft Excel Workbook Microsoft Excel application is utilized for spreadsheet management. When users create a new worksheet in Excel, it can be saved in two main formats of XLSX. One is Excel Workbook (.xlsx) and another is Strict Open XML Spreadsheet (.xlsx) . These two formats are a bit different from each other. How Strict Open XML Spreadsheet is Different ? The ordinary Excel Spreadsheet is called the transitional variant while Strict Open file is known as the strict variant. As the file name suggests, there are some restrictions in Strict Open Excel files. For example, Strict XLSX file contains graphics done by DrawingML, as VML is not supported. This file format also contains UNICODE Characters only. Strict XLSX also does not allow legacy techniques. User Query 1: “I am in urgent need to open some Excel files. I keep getting this error message whenever I attempt to open those files: Strict Excel Spreadsheet .xlsx is not valid. I do not know