Backup for Windows Phone 7
For the Windows Phone 7 is the Software "WP7 Easy Backup", which is a complete backup of your device creates and stores on your Computer.
- Download WP7 Easy Backup here and unzip the folder.
- Open the program (WP7EasyBackup.exe) and connect your Windows Phone 7 with a USB cable to the Computer.
- Now click on "Backup".
- If you want to restore your phone from an existing Backup, click "Restore".

 WP7 Easy Backup
 
For the Backup with the "WP7 Easy Backup" need you, besides, Zune, Net-Framework 3.5 and the "Windows Phone Support Tool", the you here download can.
Backup for Windows Phone 8
For Windows Phone 8, Microsoft has redesigned the backup system completely. You can sync your device now via the Cloud, a virtual storage in the network. So you can back up the following data:
- A list of the installed applications
- The Call List
- Your Design Color
- The accounts that you have set up on your device
- Your favorites in Internet Explorer
- Your Phone Settings
The Backup is performed automatically as soon as your phone is connected to Wi-Fi to the Internet.
- Under settings - backup in the application list, you can specify which data is to be gesichet.
- If you want to restore your phone, log in to the Start with your Microsoft account.
- The device then prompts you to select a backup file.

 Backup settings in WP8
 
The fuse for the Windows Phone 8 is unfortunately a bit poor. A major shortcoming is that the settings and data of applications are stored. And also to Save the device settings does not always work smoothly. For more information on the topic of Windows Phone you can find here.






