How do I keep track of customer complaints for future reference?

It is important to keep track of customer complaints. This way, you can use them to improve your business in the future. A good way to do this is by using a Customer Relationship Management (CRM) system. With a CRM system, you can store customer data such as contact information and complaint details in one place. This will allow you to easily access the data whenever needed and help create better customer relationships in the long run. Additionally, it can also be helpful to document the resolution of each complaint so that you can learn from mistakes in the future.