Vivaldi allows you to save your current open tabs as a named “session” and access them again later. This allows you to open the set of tabs included in a session with one click whenever you need or when the browser starts.

To save a set of open tabs as session, go to File > Save Open Tabs as Session… or start typing “Save Open Tabs as Session” in Quick Commands.

Save open tabs as session

To open a saved session, click File > Open Saved Sessions… or start typing “Open Saved Sessions” in Quick Commands.

Open a saved session