fontawesome6/asset/svgs/thin/square-envelope.svg

<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512"><!--! Font Awesome Pro 6.4.2 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license (Commercial License) Copyright 2023 Fonticons, Inc. --><path d="M384 48c26.5 0 48 21.5 48 48V416c0 26.5-21.5 48-48 48H64c-26.5 0-48-21.5-48-48V96c0-26.5 21.5-48 48-48H384zM64 32C28.7 32 0 60.7 0 96V416c0 35.3 28.7 64 64 64H384c35.3 0 64-28.7 64-64V96c0-35.3-28.7-64-64-64H64zM352 160c8.8 0 16 7.2 16 16v6.7l-4 2.6L234.4 268.9c-3.1 2-6.7 3.1-10.4 3.1s-7.3-1.1-10.4-3.1L84 185.3l-4-2.6V176c0-8.8 7.2-16 16-16H352zm16 41.7V336c0 8.8-7.2 16-16 16H96c-8.8 0-16-7.2-16-16V201.7l124.9 80.6c5.7 3.7 12.3 5.6 19.1 5.6s13.4-2 19.1-5.6L368 201.7zM96 144c-17.7 0-32 14.3-32 32V336c0 17.7 14.3 32 32 32H352c17.7 0 32-14.3 32-32V176c0-17.7-14.3-32-32-32H96z"/></svg>