Is the Bookmarks Toolbar enabled and visible ? *https://support.mozilla.org/en-US/kb/bookmarks-toolbar-display-favorite-websites Do you see bookmarks present in the Bookmarks Toolbar folder if you check this in the sidebar or in the Bookmarks Manager (Library) ? *https://support.mozilla.org/en-US/kb/bookmarks-firefox *https://support.mozilla.org/en-US/kb/use-firefox-sidebar-access-bookmarks-history-synced ---- You can drag the Bookmarks Menu button that shows the bookmarks in a drop-down list from the Customize palette to the Navigation Toolbar. This Bookmarks Menu button has a "View bookmarks sidebar" menu item. See "How do I add the Bookmarks Menu button to the toolbar?" *https://support.mozilla.org/en-US/kb/bookmarks-firefox

Do you see Bookmarks toolbar items on the Customize page? If so, you can drag it to the toolbar.