Hello! Firefox currently does not allow you to import bookmarks from Opera, so you have to do it manually: '''1. Export bookmarks from Opera:''' 1. Open Opera. 2. Type: opera://bookmarks in the address bar 3. Click on the three dots (⋮) in the top right. 4. Select "Export bookmarks". 5. Save the file (usually in .html format) to your computer. '''2. Import bookmarks into Firefox:''' 1. Open Firefox. 2. Click on the menu (≡) in the top right. 3. Select "Bookmarks" → "Manage bookmarks" (or press Ctrl+Shift+O). 4. In the new window, click on "Import and backup" → "Import bookmarks from HTML..." 5. Select the file you exported from Opera. I hope you manage to import your bookmarks! Vexi