Hello, you can try this solution. STEP 1: Restoring bookmarks.plist file in Safari: * Open '''Finder''' '''>''' '''MacBook Pro/Air folder''' > '''Macintosh HD'''. * For macOS Sierra users, press '''Command (⌘) + Shift + . (dot)''' to reveal folders or files that has been hidden. For older versions of OS, access to Terminal and paste ''chflags nohidden ~/Library''. * Then, click on '''Go''' '''>''' '''Go to Folder'''. * Paste ''~/Library/Safari/Bookmarks.plist'' then press '''Enter''' to open the hidden Bookmarks library. * Press and hold on '''Option''' key and at the same time, drag the bookmarks.plist file to another location so a copy of that file will be created, while maintaining the original file at its original location. STEP 2: Transferring bookmarks from Safari to Firefox: * Export your bookmarks from Safari using '''File''' '''>''' '''Export Bookmarks'''. You should be able to choose where you store the file. * In Firefox, open the application menu and choose '''Bookmarks''' '''>''' '''Manage bookmarks''' (shortcut key: Ctrl + Shift + O) and import the file you have previously exported from Safari under '''Import and Backup'''. STEP 3: Import bookmarks * Access to '''Bookmarks''' '''>''' '''Manage bookmarks''' (shortcut Ctrl + Shift + O) via the Firefox browser application menu. * Press '''Import and Backup''' '''>''' '''Import Bookmarks from HTML...'''