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How do I define which window new tabs should open in?

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  • Last reply by FredMcD

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I normally run two windows of Firefox (macOS 10.13.6, FF 62.0.3 (64-bit)). One as my "main" work window on a monitor and one for YouTube on my laptop screen. I normally start the day by opening up tabs on my monitor and then opening a new tab and dragging it into a new window and onto my laptop screen. The issue with this is that any link that is clicked or new tab that is opened opens on the YouTube window. I need to be able to set the window on my monitor as the "primary" so all new tabs open there. Is this possible?

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New tabs will go into whatever 'window' is currently active/ last used.