Steps to produce the problem: 1. From https://sheetjs.com/demo/table.html click [Export to XLS!] 2. For comparison, export XLSX and XLSB too. 3. Open the file in **Excel 365**. In Excel, click [Enable Editing]. 4. Ctrl-P to print. ** CRASH ** OR 1. From https://sheetjs.com/demo/table.html click [Export to XLS!] 2. Open the file in **Excel 2010**. Excel title bar shows 'compatibility mode'. 4. Ctrl-P to print. ** CRASH ** The same process does NOT crash if I choose XLSX or XLSB. The problem details from Excel show fault module mso20win32client.dll for Excel 365 or MSVCR90.dll for Excel 2010. Many thanks! Bug seen on: Windows 7, Chrome, Excel 365 Windows 7, Chrome Excel 2010 32-bit