How do I recover deleted bookmarks

If you deleted your Mozilla Account, then the only remaining copy of the bookmarks would be on your Mac. Here's how to check for automatic bookmark backups that your Mac would have been making locally in recent weeks/months: [[Restore bookmarks from backup or move them to another computer]] Can you find them? Note that "restore" is a complete replacement of whatever you might have set up since then. To keep a copy of recent data before restoring, create an export file: [[Export Firefox bookmarks to an HTML file to back up or transfer bookmarks]] Let us know how it goes.