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Most sync and linking issues start with the Chrome extension.

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Checklist

  1. Install the Inboxapp Chrome extension from the official Chrome Web Store.
  2. On x.com, confirm you’re logged into the correct X account.
  3. Look for the Inboxapp floating icon. If it’s missing, remove and reinstall the extension, then refresh x.com.
  4. Click the icon → select the account → Link.
  5. In Inboxapp, open Linked Accounts and confirm the account shows as connected.
  6. For XChat, enter your XChat PIN when asked — What is XChat.

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Still not syncing?

Follow Messages not syncing, including the IndexedDB reset if the extension is linked but nothing updates. Still stuck? Contact support from the app.