This service does not link with Outlook. Thank you for your understanding.
You can also send data by following the steps below.

＜Yayoi Kaikei＞
Create a file with the data you want to send, save it on your PC, and then send it as an email attachment.

＜Yayoi Hanbai＞
Since you cannot email invoices, output them as PDF files each time and send them as email attachments.