1. A processor-implemented method for managing personal communication data, wherein the personal communication data comprises a plurality of chat histories from a plurality of chat applications, the method comprising: converting, by a processor, a first chat history from a first application and a second chat history from a second application into an integrated unified format, wherein the second application is different from the first application; storing the integrated unified format into an indexed storage; and providing a user interface (UI) to access the integrated unified format via the indexed storage.