I have resaved the workbook (.xls → .xls) with Aspose.Cells and the result is opened in Protected View by MS Excel. The original workbook opens without any warnings.
I attached the workbook.
Code sample:
var wb = new …...Cells Product Family cells-net licenses March 21, 2025, 3:22pm 1 I...March 21, 2025, 5:33pm 2 @licenses , Thanks for the template...