Home >Every iOS device users must note that WhatsApp is a smartphone messenger available for iPhone and other phones even for latest iPhone 6S/6S Plus. It allows iOS devices to receive and send messages, pictures, audio notes and videos messages by using 3G or Wi-Fi. You can download WhatsApp from iTunes.
If you use iPhone 4/4s/5/5s/6 before,you may want to transfer WhatsApp messags from old iPhone to new iPhone,however,you can backup WhatsApp messages, photos, videos from old iPhone to computer,then restore to new iPhone 7,iPhone 7 plus from backups.
Maybe there are some cases that when you update WhatsApp to the newest version, the app itself becomes crashed and you have to delete it. At that time, you would lose all WhatsApp chat history and you need to backup WhatsApp messages and restore after factory reset, jailbreaking,iOS upgrading. As we know, there are big chances that you deleted Whatsapp on iPhone in error or lost your WhatsApp messages for other reasons including accidental deletion, iOS upgrade, a failed jailbreak, device crash or damage, restore to factory settings.However,it's necessary to backup Whatsapp messages, photos,videos from iPhone to computer,and restore them to iPhone after factory reset, jailbreak,iOS upgrade.
If you are in this case, or lost the past conversations due to the reasons mentioned above, read on to backup and recover iPhone 6S/6S Plus WhatsApp messages.
You can save your WhatsApp messages to your iCloud storage using iCloud backup. The iCloud backup process may take some minutes to complete, depending on your Internet connection and the size of backup file.
Backup WhatsApp Messages from iPhone to iCloud
You can make a manual backup of your messages at any time by entering into WhatsApp Settings > Chat Settings > Chat Backup and tapping "Back Up Now".

At that time, your backup size currently stored in your iCloud account will be shown, displaying the backup details, including Messages quantities, Photos quantities.
You can set up how often to automatically backup WhatsApp chats by tapping "Auto Backup" from the same screen.

NOTE: Video clips are excluded from iCloud backup, in order to free up space in the backup. (For the general user, a single iPhone or iPad backup should fit easily into the free 5GB iCloud allocation. )
Restore WhatsApp Messages back to iPhone via iCloud Backup File
If you previously backed up WhatsApp messages via the iCloud option above, you are able to retrieve the messages to the iPhone 6S/6S Plus.

1.Once you install WhatsApp, enter your mobile phone number and tap "Done"
2.From the next screen, select "Restore chat history"
NOTE: the above option will only appear if you previously backed up the WhatsApp chats via iCloud backup file. Otherwise the button will be greyed out.
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3.Stand-by until the WhatsApp messages are restored back to the iPhone.
The WhatsApp messages are restored on your iPhone 6S/6S Plus.
However, if you have not backed up your WhatsApp messages from iCloud, you can try to recover lost/deleted WhatsApp messages from iPhone directly with the help of iPhone Data Recovery program.Let's teach you how to backup and restore WhatsApp Messages on iPhone by iOS Data Recovery program.
iPhone WhatsApp Backup & Recovery tool - iPhone iPad Data Recovery,which allows ios device users to backup and restore Whatsapp messages on iPhone, iPad.You can backup Whatsapp messages and Whatsapp message attachments,Whatsapp photos and videos from iPhone to computer,and restore those backuped Whatsapp data back to iPhone/iPad directly.
What's more,the iPhone iPad Data Recovery alos allows users recover deleted WhatsApp messages from iPhone and save on computer,and then restore the deleted or lost WhatsApp messages,WhatsApp conversations back to iPhone 6S/6/5S/5C/5/4S/4 and more devices easily. Further, this professional software supports to recover WhatsApp message as well as contacts, sms, call history, videos and so on.If you have bougth a new iPhone,the program also allows you transfer Whatsap messages from iPhone to iPhone directly without data loss.
Let's show you how to backup and restore iPhone WhatsApp messages,and how to recover deleted WhatsApp messages from iPhone, iPad.
First of all,free download the iOS Data Recovery and run it on your Windows computer or Macbook.
After launch the iOS Data Recovery on your computer, click on "More Tools" from the left column
Then select "iOS WhatsApp Transfer,Backup & Restore" option from the tool list. Then use the USB cable to connect your iPhone, iPad or iPod touch to computer. By default, the program will automatically detect your iOS device.

Step 1. Connect iPhone Device to Computer
In this steps, please select "Backup WhatsApp Messages" option from the tool list. Then use the USB cable to connect your iPhone, iPad or iPod touch to computer. By default, Dr.Fone for iOS will automatically detect your iOS device.

Step 2. Begin to Backup Whatsapp Chat History/Messages/Conversations from iPhone to computer

During the backing up process,please do not disconnect your iPhone devices,once the process complete,the program will tips you the backup is completed, you will see the window below.

Step 3. WhatsApp Messages Backup Completed and View the Backed Up WhatsApp File on Computer
Now,you have finished backup WhatsApp data from iPhone to computer,to view the backed up WhatsApp messages files,please click the "View it" button to check the backup file if you want.

Then you will see all the details. Choose any item you want to export to your computer or restore to your device.

Now,you have backup iPhone WhatsApp data (Messages,Photos,Videos) to computer,when factory reset, jailbreaking, ios upgrading completed,you can also restore backed up WhatsApp messages to iPhone from computer,or restore WhatsApp backup to Android phone,like Samsung Galaxy S7/S6/S5,Note 7,Note 5 and other Android devices.Let's teach you how to restore WhatsApp backup to iPhone, iPad or Android phone quickly.
This use guide teach you how to resotre WhatsApp backup files from computer to iPhone,if you want to transfer WhatsApp backup files to your Android phone,please follow the same steps.
Step 1. Connect your iPhone to Computer
In the method 2,if you have backup iPhone WhatsApp messages to computer before,you can follow this method to restore them back to your iPhone or iPad device directly
First of all,please connect your iPhone to computer with USB calbe, then run the program and choose "Restore WhatsApp messages to iOS device",if you want to restore to Android phone,please choose "Restore WhatsApp messages to Android device",then you'll see all your backup files listed.

Step 2. Preview,Selectively and Restore WhatsApp Messages Backup to iPhone from Computer
In this steps,before restore them bakc to your iPhone, iPad,you can view the backup WhatsApp messages first on computer, and then selectively choose what you want to restore it to your ios device.

Step 3. Begin to Restore Backed Up WhatsApp Message backup to iPhone
When your phone is successfully detected,then choose a backup file and click "Next" to directly restore the WhatsApp backup files to your iPhone or iPad as follows.

Free download the iOS Data Recovery and begin to backup and restore your WhatsApp messages.
Tips: If you want to recover deleted Whatsapp messages from iPhone and save on computer,please learn the method 4 below,we will teach you how to scan, extract and recover deleted Whatsapp messages and Whatsapp message attachments from iPhone,then restore them backup to iPhone,Android on computer.
Step 1 Download and Run iPhone Data Recovery software
Firstly, you should download iPhone Data Recovery program and install it.
Then you can run it on your PC. Secondly, you should connect your iOS devices to your computer via USB cables.

Please select the type of whatsapp messages data you want to recovery

Step 2 Scan and Preview Your WhatsApp Messages from iPhone 6S/6S Plus
Please hit “Start Scan” button and then your iOS device detection by the program will take some minutes, please wait patiently. When the scanning is completed, you can see all of your WhatsApp messages on your iPhone.

Step 3 Recover Deleted/Lost WhatsApp Messages from iPhone 6S/6S Plus
In this step, you can select “WhatsApp” and click “Recover” button to get your data back,then save those deleted Whatsapp messages to computer,or restore back to your ios devices.

Furthermore, iPhone Data Recovery software also supports iPhone users backup their WhatsApp messages, contacts, sms, photos and more from iPhone devices to computer. Follow this : How to Backup WhatsApp messages from iPhone to Computer and learn more.
To tell you the truth, sending WhatsApp messages via email is easy but not ideal as this will only generate a TXT file containing plain conversation text which doesn’t include images or other attachments.
1.Open WhatsApp and navigate to the conversation or group you wish to email in the chat list. Swiping right on the conversations, tap “more”, then choose Email conversation, Choose whether to attach media or not (i.e. attached photos or videos)
An email will be sent containing the chat records saved into an attached TXT document. If you chose to include media, all the most recent photos/videos from the conversations will also be included as individual attachments.

I am disappointed to tell you that you are only able to send WhatsApp chats via email but you can not recover them from iPhone 6S/6S Plus using this method.
Read More:
How to Recover Deleted Contacts from iPhone
We discuss how to get contacts from iPhone devices. You need an iPhone Data Recovery tool. Besides recovering contacts from iTunes backups or iCloud backup file, you can also scan and retrieve contacts directly from your iPhone 6s/6s Plus/6 Plus/6/5S/5C/5/4S/4/3GS by iPhone Data Recovery.
How to Backup Contacts,SMS from iPhone to Computer
Before reset or jailbreak you iPhone,you must to backup contacts and text messages from iPhone to computer,and then restore them back to your phone.
How to Recover Deleted Photos from iPhone
iPhone Data Recovery allows you find deleted photos back from iPhone directly. Not only photos but also contacts, sms, notes and more files will be recovered by the help of iPhone Data Recovery.
How to Transfer Whatsapp Messages from iPhone to Galaxy S7/S6/Note 5
If you have bought a new Samsung Galaxy S7 or S6,you can follow this use guide to move Whatsapp messages from iPhone 4/4s/5/5s/6 to new Galaxy S7/S7 Edge directly.In additional,the program also allows users restore Whatsapp messages, photos, videos backup files to Android Samsung phones or tables.