Gmail

  1. Open the email message
  2. Click the three dots (More actions) in the top right
  3. Select "Show original"
  4. Click "Copy to clipboard" or select all text

Outlook (Web)

  1. Open the email message
  2. Click the three dots (...) in the top right
  3. Select "View message details"
  4. Copy the displayed headers

Outlook (Desktop)

  1. Double-click to open the email in a new window
  2. Go to File > Properties
  3. Find the "Internet headers" section at the bottom
  4. Copy the header text

Apple Mail

  1. Open the email message
  2. Click View > Message > All Headers
  3. Select and copy all header text

Email Headers Analysis

Analyze email headers to verify authenticity, trace routing, and detect potential issues.