Sync already moves progress between your devices — export is for keeping a copy outside the account, or moving it somewhere that has no sync. Import merges rather than replaces: attempts are immutable, so bringing in another device’s export adds its sessions to yours.

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This happens on its own — when the app opens, and again after each session. The button is here for when you want to see it happen.

Work-scoped questions never leave the browser they were captured in. Turn this off where they should not appear.