Answer by Christopher Adi Pascual for Is it possible to force Excel recognize UTF-8 CSV files automatically?

You can convert .csv file to UTF-8 with BOM via Notepad++:

1. Open the file in Notepad++.
2. Go to menu Encoding→Convert to UTF-8.
3. Go to menu File→Save.
4. Close Notepad++.
5. Open the file in Excel .

Worked in Microsoft Excel 2013 (15.0.5093.1000) MSO (15.0.5101.1000) 64-bit from Microsoft Office Professional Plus 2013 on Windows 8.1 with locale for non-Unicode programs set to "German (Germany)".