Try Firefox Sync, this would be the easiest option if it was your own pc. Otherwise, go to Bookmarks - > show all bookmarks and click import and backup on the top bar of Library

Sync is a good option. As to exporting the bookmarks, 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/profile. 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 [https://support.mozilla.org/en-US/search?esab=a&w=1&q=import Mozilla search: Import] {web link}