Hi,
Using Aspose Cells for Java, version 25.9.
Sample code:
Workbook workbook = new Workbook("input.xlsx");
Worksheet worksheet = workbook.getWorksheets().get("IT Projections");
Cells cells = worksheet.getCells();
cel…...insertColumns(3, 7); cells.copyColumns(cells, 2, 3, 7); workbook.save("output...asking Aspose Cells to insert 7 additional columns. Following...