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• How We Calculate Usage (Proration)
• Upgrading Your Plan
  • Upgrade Example
• Downgrading Your Plan
  • Downgrade Example
• Billing on the 29th, 30th, or 31st
  • Why Proration Amounts Vary by Month
  • Why didn't my plan change immediately when I downgraded?
  • Can I cancel a scheduled downgrade?
  • Why did my billing date change?
  • How is "one day" of usage calculated?
  • I have a pending downgrade, but I need to upgrade again. What happens?