Use email message as attachment to another mail without download

Hello everyone,
i have some mails saved in a folder in outlook and i want to attach them to the mails the bot creates and sends. Because of the size of the saved mails, its not efficient to download them and using them as attachments from local storage each time the bot sends a new mail (poor upload speed). Is it possible to use the mails directly from the outlook folder as attachments?
Thanks in advance!

you cant do like that you have to download the attachment and you can send again