Consider updating the following types of content: - Subject Lines: Refreshing subject lines can significantly affect open rates. - Call-to-Actions (CTAs): Ensure your CTAs are compelling and aligned with your current goals. - Visuals and Graphics: Update images and design elements to keep your emails visually appealing. - Product Information: Make sure your product details are current and accurate. - Personalization Elements: Use dynamic content to tailor emails based on recipients’ preferences and behaviors.