You can sort the bookmarks 'By Name' via the right-click context menu of a folder item (i.e. this doesn't work for an individual bookmark). Note that the Views menu in the library is only for viewing purposes and is similar to clicking the column header. *https://support.mozilla.org/en-US/kb/sort-bookmarks-quickly-find-ones-you-want You also can look at this extension. *https://addons.mozilla.org/firefox/addon/auto-sort-bookmarks/