They didn't. They called it "Dropbox Advanced for businesses" and whenever they mention storage it's always in the context of it being for team collaboration or documents.
"As much space as you need. Get as much space as your team needs for storage and collaboration."
"As much space as you need. Get as much space as your team needs for storage and collaboration."
https://web.archive.org/web/20221103000218/https://help.drop...