Hello, this option is not available using the native mail merge option. But it’s possible to send attachments as you want with the help of third-party solutions. Take a look at this option here.
How do you switch between email and IMAP? You can configure IMAP to use only in Outlook to save emails in “Outbox”. The default is set to only on “Primary IMAP Server”. This setting cannot be changed via user interface. This mode is not recommended for most users. Does Outlook support external POP3/IMAP servers for IMAP access? Yes. This feature is supported by Outlook but disabled by default because of bugs in the built-in IMAP client. Where will email stored on Outlook get to from the server? Outlook will send only from the server with local IP Address. It will not forward the email to another server. Where will email stored on Outlook send to? You can use the Inbox view to check the server of the destination account. What if I do not have “Primary IMAP Server” selected? Incoming mail will be stored in inbox, in which mail folder is.