You need to convert unix value into a readable format. Click on date to read the date which will be in unix format.The chat message will be encoded in between HTML codes.Table > Select history_message from drop down and you will be able to see the history.Click on File > Open Database > Locate to the file you want to read.To read the db file, just launch DB Browser for SQLite from Start Menu.The installation is quite simple and easy. Download DB Browser for SQLite and install it on your machine.Now you may be wondering that how do you read a db file? Yes, even i am not very much familiar with database SQL file but i came across couple of tools which does allow you to read db files easily without any knowledge of commands.