WhatsApp backup on cloud services or local phone storage is as secure as it can be, but it is no match for backing up WhatsApp messages to computer, where you can easily access the data and determine how to deal with it. So, to prevent any data loss happening again, it is paramount to back up WhatsApp data safely. In some cases, however, your chat history has just gone without any omen.
Believe that all the chat history must be valuble for you.
Nowadays WhatsApp has 2 billion active users worldwide, who send and receive messages on this platform daily with friends, family and even business parners.