Maybe I'm not clear on what you mean, but it is possible to delete an entire "conversation" of messages in one operation now. See my post above; That's correct. I've just picked up more than 3 GB using that method. Very nice! Usually texts don't take up a lot of space, but if there were photos or other graphics associated with the texts, you will—and have—benefited.
On a Mac since 1984.
Currently: 24" M1 iMac, M2 Pro Mac mini with 27" BenQ monitor, M2 Macbook Air, MacOS 14.x; iPhones, iPods (yes, still) and iPads.
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