nextcloud-server/settings/img/apps.svg

<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<svg xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns="http://www.w3.org/2000/svg" height="32" width="32" version="1.0" xmlns:cc="http://creativecommons.org/ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
 <path d="m14 6v8h-8v4h8v8h4v-8h8v-4h-8v-8h-4z" fill="#FFF"/>
</svg>