It's a very common problem that iPhone users lost data on theirs iPhone. Are you still troubles in losing or deleting  your data because of a system reinstall, computer repair, iTunes crash, or unknown reasons? So, you'd better backup your iPhone to PC, iTunes or iCloud at regular intervals, so that you can easily restore your lost data from backup when the  accident happened. Following, we are going to showing you some efficient and reliable solutions to backup your iPhone data with ease. Here, we will take iPhone 6 as an example, in fact, they apply to any iPhone, as well as iPad and iPod.
Backup Data from iPhone 6 to PC
Part 1. Backup iPhone 6 Data to PC with the free data recovery mac iPhone to PC Transfer
iPhone to PC Transfer is a professional tool designed to transfer files between iPhone and PC, with it, you can not only copy music from iPhone to computer easily, but also can transfer contacts, messages, photos, videos, playlist and so on  in this way. It almost satisfies users' needs on files transfer. What is more, the transferred files is same as the origin one with no loss. If you are fond of the powerful software, you can follow the steps to learn how to transfer songs from iPhone to PC.
Step 1. Install and launch the iPhone to PC Transfer on your PC, connect you iPhone 6 to PC with USB cable.
Step 2. Transfer the data you want from iPhone to computer directly, including contacts, SMS, photos, videos, music, and so on.
Note: iTunes are needed to install on your PC to make sure that iPhone Transfer can work well.
Part 2. Backup iPhone 6 Data to PC with the Phone to Phone Transfer
Phone to Phone Transfer, the one-click phone transfer tool lets you copy contacts, SMS, photos, music and more between Android, Symbian and iOS devices, and backup and restore phone data effortlessly. So you can easily transfer data like  contacts, messages, Free iPhone data recovery videos, photos, music, apps and more from iPhone to PC for backup with a click.
Step 1. Install and launch the Phone to Phone Transfer while your iPhone 6 is connected to the computer via a USB cable.
Step 2. Select the Backup option in the Home Menu to bring up the Backup Panel. Once you check all the data that you  wish to backup, click Start Copy, and the Phone to Phone Transfer will start to back up the selected contents on your iPhone to the computer.
Tips: This transfer software can not only backup your iPhone data to PC, but also allows you to restore these saved backups or iTunes backup to the supported iDevices, including iPhone, iPad and iPod.
Part 3. Backup iPhone 6 Data to PC with the iPhone Data Recovery
iPhone Contents Recovery or iPhone Contents Recovery for Mac is the world's No.1 data recover tool for iPhone iPad and iPod, it provides three simple ways to easily restore lost or deleted data from iDevices: directly recover from iDevice, extracting to restore from iTunes/iCloud backup files. Therefore, you can use it to recover the existing or deleted data from iPhone to PC directly.
Step 1: Run the program and connect your iPhone
Step 2: Enter free iPhone recovery software the device's scanning mode and scan it
Step 3: Preview and recover deleted iPhone data