Several tools can assist with saving and managing versions of your email marketing campaigns. Some popular ones include: - [Mailchimp]( ): Offers built-in version control features. - [Constant Contact]( ): Allows you to save drafts and previous versions. - [HubSpot]( ): Provides version history for email campaigns. - [Litmus]( ): Helps you manage different versions and test them across various email clients.