format-underlined

<svg fill="currentColor" xmlns="http://www.w3.org/2000/svg" width="48" height="48" viewBox="0 -960 960 960"><path d="M200-140v-60h560v60H200Zm123.5-198.5Q267-397 267-497v-343h83v343q0 63 34 101t96 38q62 0 96-38t34-101v-343h83v343q0 100-56.5 158.5T480-280q-100 0-156.5-58.5Z"/></svg>

<i class="ti ti-format-underlined"></i>

ti ti-format-underlined

<i class="ti ti-035316"></i>

ti ti-035316

<svg aria-hidden="true" focusable="false" fill="currentColor" xmlns="http://www.w3.org/2000/svg" width="48" height="48" viewBox="0 -960 960 960"><path d="M200-140v-60h560v60H200Zm123.5-198.5Q267-397 267-497v-343h83v343q0 63 34 101t96 38q62 0 96-38t34-101v-343h83v343q0 100-56.5 158.5T480-280q-100 0-156.5-58.5Z"/></svg>

<svg aria-hidden="true" focusable="false" fill="currentColor" xmlns="http://www.w3.org/2000/svg" width="48" height="48" viewBox="0 -960 960 960"><path d="M200-140v-60h560v60H200Zm123.5-198.5Q267-397 267-497v-343h83v343q0 63 34 101t96 38q62 0 96-38t34-101v-343h83v343q0 100-56.5 158.5T480-280q-100 0-156.5-58.5Z"/></svg>

https://cdn.jsdelivr.net/npm/@ticnob/icons@1/icons/format-underlined.svg