envelope-open

Image("phosphor.envelope-open")
    .font(.title)
    .fontWeight(.semibold)

Label("Envelope open", image: "phosphor.envelope-open")

let configuration = UIImage.SymbolConfiguration(
    pointSize: 24, weight: .semibold, scale: .medium)
let image = UIImage(named: "phosphor.envelope-open", in: nil, with: configuration)

let configuration = NSImage.SymbolConfiguration(
    pointSize: 24, weight: .semibold, scale: .medium)
let image = NSImage(named: "phosphor.envelope-open")?
    .withSymbolConfiguration(configuration)