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Reply Zero labels the conversations that need your reply and the replies you’re waiting on, so nothing slips through the cracks. Conversations are labeled To Reply when you owe a response and Awaiting Reply when you’re waiting on someone else. The labels (categories on Outlook) appear in your regular email client.

Enable Reply Zero

Open Assistant and enable the To Reply and Awaiting Reply rules.

Follow-Up Reminders

  1. Open Assistant > Settings and turn on Follow-up reminders. Both thresholds start at three days.
  2. Select Configure to choose how many days to wait in Remind me when they haven’t replied after and Remind me when I haven’t replied after, and whether to Auto-generate drafts that nudge people when you are waiting on them. Saturday and Sunday do not count toward these thresholds.
  3. Select Save, or use Find follow-ups to scan existing mail immediately.
Matching conversations receive a Follow-up label or category. The label is removed when a new reply arrives or you send one. To receive reminders in Slack, Microsoft Teams, or Telegram, enable follow-up delivery for the connected account on the Channels page. For Slack, select a direct message or an allowed private channel first. Each reminder includes Open in Gmail (or Open in Outlook) and Mark done, which stops reminders for that conversation.