If you want to know all the details about any number, you can download the Call History of Any Number Call Details app. It allows you to export calls to an excel file. This app can backup your logs and restore them on the same phone or on another.

It is a free app and has a simple user interface.

You can download this app from the Google Play store.

How to use this app?

You can open it and click on the number you want to know more details. It will show you all the information about that number. You can also click on the button that says "Backup". It will ask you for the backup file name. You can also click on the button that says "Restore". It will ask you for the backup file.