1) BCS_EXAMPLE_7 - Copied .
2) Note - 1459896 applied as follows.
CONCATENATE '&SO_FILENAME='
'FileName' '.xlsx' INTO lv_text_line.
APPEND lv_text_line TO lt_att_head.
3) File attached to email using -
document->add_attachment(
i_attachment_type = 'XLS' "#EC NOTEXT
i_attachment_subject = 'ExampleSpreadSheet' "#EC NOTEXT
i_attachment_size = size
i_att_content_hex = binary_content
i_attachment_header = lt_att_head ).
4) E-Mail received. The .xlsx file is not opened in excel.
However the file for TEXT extension is opened as mentioned in Note - 1459896