Go back to v54. Then follow these instructions; 1) Open the '''Bookmarks Manager; ''' Press the '''Alt''' or '''F10''' key to bring up the toolbar, and select '''Bookmarks. ''' Hot key is '''<Control> ''(Mac=<Command>)'' <Shift> B. ''' Once the window is open, at the top of the page, press the button labeled ''' Import and Backup. ''' Select '''Export''' '''Bookmarks To HTML, ''' and follow the prompts and save it to a '''HTML''' file. Copy the file to another computer. Repeat the instructions above, BUT select '''Import Bookmarks From HTML. ''' https://support.mozilla.org/en-US/kb/restore-bookmarks-from-backup-or-move-them https://support.mozilla.org/en-US/kb/recover-lost-or-missing-bookmarks +++++++++++++++++++++++++++++++++++++++++++++++++ 2) [Before Firefox 57] Places Maintenance by MaK77 https://addons.mozilla.org/en-US/firefox/addon/places-maintenance/ Places Maintenance Allows to run Maintenance tasks on the database that drives Places, the bookmarks, and history module behind Firefox. Open the Add-ons Manager. Locate the add-on and press the '''Options''' button. Then press '''Next''' on the bottom. [v57+] Places Maintenance is built into Firefox. Type '''about:support'''<enter> in the address bar. You will find '''Places Database''' near the bottom. Press the '''Verify Integrity''' button.