When one requires older conversations, they tend to look for how to retrieve archived emails. In Gmail, there is no need to use restoration or recovery programs to recover the archived emails since the emails were not deleted. They are kept in your account and are accessible in the All Mail. To find particular archived emails, you can scroll through the list or use keywords to find the email(s) you are looking for. Once the message is found, you can just send it back to the inbox, where you can go on with the conversation and also refer to them easily.