worried about the storage on our devices. We probably know that there’s a way to manage storage on iDevices which can found in Settings>General> Storage &
iCloud Usage. But there’ no option to delete all the attachments like
videos, photos & Audio etc. So Message
App might takes lots of Space on your devices.
step guide on How to delete all attachments from Message App (iMessage & MMS) to free up some space:
which you wish to delete attachments like Photos, Video & Audio.
three options: Copy, Delete and More. Here if you want to
delete all the attachments then Tap on More.
this process with other conversations if you found many attachments.