All the contacts and incoming and outgoing short messages (SMS) in Windows Phone 7–10 are stored in the file named store.vol, which is present under the Application DataMicrosoftOutlookStoresDeviceStore (Windows 7) and UsersWPCOMMSERVICESAPPDATALocalUnistore (Windows 8-10) directories. An example of a Windows 10 store.vol file can be seen in the following screenshot:
The store.vol file in a Windows Phone
Now, let's learn how to extract the call history.