Hi, so you are opening Show All Bookmarks and Clicking on View to sort. Are all Options in View not working ?

Not certain if all Options in View are working as I am using only sort by name or A > Z sort order.

Hi, try backing up and see if can do that, may need to anyways if it turns out to be profile related : *https://support.mozilla.org/en-US/kb/export-firefox-bookmarks-to-backup-or-transfer *https://support.mozilla.org/en-US/kb/back-and-restore-information-firefox-profiles Profile : Make a new one and test ...: *https://support.mozilla.org/en-US/kb/profile-manager-create-and-remove-firefox-profiles If is your Profile : *https://support.mozilla.org/en-US/kb/recovering-important-data-from-an-old-profile *http://kb.mozillazine.org/Transferring_data_to_a_new_profile_-_Firefox