Dear Sis & Bro,
I've attached a file named "UAK.zip" to this email. I think it could be [something you've discussed before, a surprise, a necessary document, etc.]. I'd love for you to take a look and let me know what you think.
Subject: Sis & Bro UAK.zip
Looking forward to hearing your thoughts!
Hope you're both doing amazingly well! I just wanted to share something I came across that I thought you might find interesting/important/fun [delete as applicable].
Dear Sis & Bro,
I've attached a file named "UAK.zip" to this email. I think it could be [something you've discussed before, a surprise, a necessary document, etc.]. I'd love for you to take a look and let me know what you think. Sis & Bro UAK.zip
Subject: Sis & Bro UAK.zip
Looking forward to hearing your thoughts! Dear Sis & Bro, I've attached a file named "UAK
Hope you're both doing amazingly well! I just wanted to share something I came across that I thought you might find interesting/important/fun [delete as applicable]. Dear Sis & Bro