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Open a page in a new tab, window, or Split

Enter opens what you pick in the tab you’re on. Holding a key with Enter opens it somewhere else instead.

You’re writing in Fastmail and want to look something up without leaving the message.

  1. Press ⌘L (Ctrl+L on Windows and Linux).
  2. Type an address or a search, or move to a row with the arrow keys.
  3. Press the keys for where you want it:
    • Enter opens it in this tab.
    • Shift+Enter opens it in a new tab.
    • ⌘⇧Enter (Ctrl+Shift+Enter) opens it in a new window.
    • ⌥Enter (Alt+Enter) opens it next to this tab, in a Split.
  • The line under the list shows which of these keys work on the selected row.
  • On an open tab, every key but ⌥Enter switches to that tab. ⌥Enter puts the tab next to this one in a Split.
  • On a pin, a page from another site opens in a new tab, because a pin keeps showing its own site.
  • Pins and Favorites have no Split choice.
  • In a Split, Enter loads the page in the pane you’re using.
  • The home page’s search field takes the same keys.

© 2026 Ellm Tree, Inc. Sval is not officially associated with Mozilla or its products. Firefox is a trademark of the Mozilla Foundation in the US and other countries.