Telephone call history includes details such as the date, time, telephone number and name (when available) for all incoming and outgoing calls it does not include the contents of the call. What is conversation history and where is it located?Ĭonversation history provides a summary of your conversations and is stored in the Outlook Conversation folder. In Skype for Business, a phone call or an Instant Message (IM or chat) is considered a conversation.