Marketing archives refer to the collection of historical data and information related to various aspects of a company's marketing efforts. These archives can include data on past campaigns, market research, customer behavior, and other metrics that can help inform future marketing strategies. Here are some of the different types of marketing archives that companies may use:

1. Campaign archives: These archives contain data on past marketing campaigns, including the target audience, messaging, creative, channels used, and results achieved. By reviewing past campaign archives, companies can identify what worked well and what didn't and use those insights to inform future campaigns.
2. Market research archives: These archives contain data on past market research studies, including surveys, focus groups, and other research methods. This data can provide valuable insights into customer behavior, preferences, and attitudes that can inform future marketing strategies.
3. Sales archives: These archives contain data on past sales figures, including revenue, units sold, and customer demographics. This data can help companies identify trends and patterns in customer behavior that can inform future marketing efforts.
4. Customer archives: These archives contain data on past customer interactions, including purchase history, customer service interactions, and feedback. By analyzing this data, companies can identify customer needs, pain points, and preferences and use those insights to improve customer engagement and loyalty.

Marketing archives can be valuable assets for companies looking to improve their marketing strategies and stay ahead of the competition. By analyzing past performance and customer behavior, companies can develop more effective campaigns, better understand their target audience, and ultimately drive more revenue and growth.