If you are using WhatsApp for communication, then you need to open the WhatsApp db file. This is a file that stores all of your contacts and messages in one place. To open the WhatsApp db file, you need to first open the WhatsApp app and then click on the three lines in the top left corner of the screen. Then, select “Open in new window”. After opening the WhatsApp db file, you will see all of your contacts and messages in there.
