All of the contacts in your address books are not just addresses and numbers. First of all, they are those that are important to you, they are the people that you do business with or those that you are sharing your life with. So for you to make sure that you will not have missing contacts in your iPhone, you should back up the contacts.
One good thing that you should know is that it is really easy to sync contacts in your devices. You can use the cloud services in your devices if you want to sync contacts between your devices. In order for you to make sure that everything is up to dat, you just have do some clicks every time you want to change something. You can safely assume that syncing contacts from your iPhone to your Mac device is really safe.
You will know how to use iCloud in syncing the contacts from your iPhone to your Mac.
Syncing the contacts in your iPhone is a step that you only have to do once thanks to the iCloud that will let you sync between various devices. After you synced your contacts for the first time, the changes that you will make to your contacts will be done to all your devices. It also means that you will be able to access the contacts online even if the device is not with you.
In order to complete the process, you will have to sync your contacts to the iCloud first, enable the iCloud on your other devices, and then arrange your contacts once all of the contacts on your devices are merged.
Even though it is really easy to sync the contacts between devices using iCloud, you will discover that there are special backup manager apps that will provide more power and functionality.
For instance, a good alternative to the iCloud for data syncing between devices is the AnyTrans. It is a really useful app in major content migration like if you get a new device. Aside from that, it also has a built in back up manager that will save you time with the automatic backups that are done requiring you to do something.
Another tap that you can try is the ChronoSync Express. It is an app that will help you make sure that there will be no lost data or contacts every time you will be syncing between various devices. The ChronoSync Express will keep your data updated and safe at the same time.
The Disk Drill is another app that will help you keep your data out of the device ecosystem or restore data from the iCloud. The app will help you back up data as well as recovering lost files.