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Inboxapp syncs your DMs in the background. If messages aren’t showing up, work through these checks.
  1. Give it time. Large inboxes can take a few hours on first sync. You don’t need to keep your browser open.
  2. Check the account is linked. Open Settings → Accounts and confirm it shows as connected. If not, relink it from there.
  3. For X and LinkedIn, check the extension. If Inboxapp says the extension is missing or out of date, see Extension not detected.
  4. On X, enter your XChat passcode if Inboxapp asks for it — see XChat and your passcode.
  5. On WhatsApp, open the app on your phone and keep it unlocked. Your phone sends your history to Inboxapp. Groups, broadcasts, and newsletters don’t sync.
  6. Reload Inboxapp.
Still stuck? Contact support from the app.