Inbox In Outline Icon

<svg xmlns="http://www.w3.org/2000/svg" width="256" height="256" viewBox="0 0 24 24" fill="currentColor">
  <path fill="currentColor" fill-rule="evenodd" d="M12 1.25a.75.75 0 0 1 .75.75v6.19l1.72-1.72a.75.75 0 1 1 1.06 1.06l-3 3a.75.75 0 0 1-1.06 0l-3-3a.75.75 0 0 1 1.06-1.06l1.72 1.72V2a.75.75 0 0 1 .75-.75m4.254.804a.75.75 0 0 1 .82-.673c1.69.166 2.994.555 3.992 1.553c.895.895 1.3 2.035 1.494 3.48c.19 1.411.19 3.22.19 5.529v1.086c-.004 1.853-.027 3.35-.19 4.557c-.194 1.445-.6 2.585-1.494 3.48c-.895.895-2.035 1.3-3.48 1.494c-1.411.19-3.22.19-5.529.19h-.114c-2.309 0-4.118 0-5.53-.19c-1.444-.194-2.584-.6-3.479-1.494c-.895-.895-1.3-2.035-1.494-3.48c-.163-1.207-.186-2.704-.19-4.556v-1.087c0-2.309 0-4.118.19-5.53c.194-1.444.6-2.584 1.494-3.479c.998-.998 2.302-1.387 3.993-1.553a.75.75 0 1 1 .146 1.492c-1.559.154-2.443.487-3.078 1.122c-.57.57-.897 1.34-1.069 2.619c-.174 1.3-.176 3.008-.176 5.386v.25h2.545c.772 0 1.384-.002 1.934.252c.55.253.948.718 1.45 1.305l.088.102l.605.706c.634.74.812.922 1.026 1.02c.213.099.468.115 1.442.115h.32c.974 0 1.229-.016 1.442-.114c.214-.099.392-.282 1.026-1.02l.605-.707l.088-.102c.502-.587.9-1.052 1.45-1.305c.55-.254 1.162-.253 1.935-.252h2.544V12c0-2.378-.002-4.086-.176-5.386c-.172-1.279-.5-2.05-1.069-2.62c-.634-.634-1.519-.967-3.078-1.12a.75.75 0 0 1-.673-.82m4.993 11.696H18.84c-.974 0-1.229.016-1.442.114c-.214.099-.392.282-1.026 1.02l-.605.707l-.088.102c-.502.587-.9 1.052-1.45 1.305s-1.162.253-1.934.252h-.589c-.773 0-1.385.002-1.935-.252c-.55-.253-.948-.718-1.45-1.305l-.088-.102l-.605-.706c-.634-.74-.812-.922-1.026-1.02c-.213-.099-.468-.115-1.442-.115H2.753c.01 1.503.045 2.68.173 3.637c.172 1.278.5 2.049 1.069 2.618c.57.57 1.34.897 2.619 1.069c1.3.174 3.008.176 5.386.176s4.086-.002 5.386-.176c1.279-.172 2.05-.5 2.62-1.069c.569-.57.896-1.34 1.068-2.618c.128-.957.163-2.134.172-3.637" clip-rule="evenodd"/>
</svg>