Summarise Long Email Thread — Free M365 Copilot AI Prompt

Free beginner AI prompt for managers: get a concise executive summary of a lengthy email conversation. Works in M365 Copilot. Tag: outlook.

Tested by a human Beginner 👤 Manager 👤 Executive 👤 It Admin
Summarise this email thread into: (1) The original request, (2) Key decisions made, (3) Current status, (4) What needs to happen next. Keep it under 100 words so I can quickly understand this thread.

Works on

⭐ M365 Copilot (Best)

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Tips for Best Results

  • Open the email thread in Outlook, then use Copilot to summarise
  • For threads with 10+ messages, add “Focus on the last 5 messages”
  • Great for catching up after time off or when joining a thread late

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