Description: when i try to save my LibreOffice Calc to .xlsx format it show this error. Confirm File Format This document may contain formatting or content that cannot be saved in the currently selected file format "Excel 2007-365". Use the default ODF file format to be sure that the document is saved correctly. Ask when not saving in ODF or default format Actual Results: I dont know. Expected Results: Please Fix this issue. Reproducible: Always User Profile Reset: No Additional Info: Please Fix this Issue.
Created attachment 194690 [details] Screenshot of the window information/selection Just select [Use Excel 2007-365 Format]