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About this app

Yahoo's official backup app
Do you have enough space on your smartphone?
Large-capacity 2TB backup available at a bargain price of 450 yen (tax included) per month!
If you back up your important data (photos, videos, contacts) to the cloud, you can erase the data on your smartphone and increase its capacity

◇◇Main features◇◇

- You can back up your contacts, images (photos), and videos.
- Backups are automatic, so you can use other apps while the backup is in progress
- Backup status will be notified via regular notifications
- If there are newly added or updated images (photos), videos, or contacts on your smartphone, the app will automatically back them up.
- The backed up data will be saved in My Box of Yahoo! Box (online storage service/cloud service)
◆ Check backup data
- You can check backed up images (photos) and videos within the app
- Data can be saved to your smartphone and shared to SNS
◆ Restore (data migration)
- Easily transfer backed up data in case of model change or data loss
- Just select the contacts, images (photos), and video data you want to restore, there are no troublesome operations or settings.
- You can save contacts, images (photos), and videos backed up to storage on your smartphone all at once.
- Easily transfer data from Android to iPhone and iPhone to Android
- The restored contact data will be imported to your smartphone's Contacts app.
◆ Storage management
- You can check the backup usage capacity and backup available capacity in a graph
- You can delete backup data that is no longer needed from the app
◇◇ Recommended for such scenes ◇◇
◆In case of failure or loss

Data loss due to smartphone malfunction, loss, or operational error is unpredictable.
If you back it up just in case, you won't have to worry about losing your precious photos and videos! Data recovery can be done easily without any troublesome operations, so even those who are new to smartphones can use it.
◆ When the model is changed
If you back up the data on your old smartphone using Yahoo! Easy Backup, you can easily transfer the data to your new smartphone. Your contacts will still be available.
◆Data continues to increase every day and you don't have enough space on your smartphone!
Photos (images), videos, and contacts on your smartphone are automatically backed up to Yahoo's cloud, so you don't have to worry about deleting unnecessary data.
Save your smartphone data to the cloud and solve the problem of insufficient storage space!
・This app can be used on smartphones and tablets with Android OS 7.0 or later.
・Internet connection is required when backing up or restoring. Not available offline.
・The backup data will be saved in My Box of Yahoo! Box.
- Data exceeding 2GB per file cannot be backed up.
- Data that exceeds the capacity of the backup destination cannot be backed up. If you don't have enough backup space, we recommend changing your capacity plan.
- To comfortably back up and restore large amounts of photos and videos, we recommend connecting to a Wi-Fi connection and using your smartphone with it charged.
[About the 2TB plan]
The monthly fee is 450 yen (tax included).
Charges will be made to your Google Account.
■About purchasing
This application's paid services utilize the Google Play subscription mechanism.
A Google account is required for purchase. You cannot purchase with a Google account that has already been purchased.
Additionally, purchase and cancellation procedures may differ depending on the Android version you are using. If you have any questions about your Google account, please check Google's help.
The monthly fee will be charged immediately from the application date, and unless you cancel your subscription, it will automatically renew every month even if you are not using the service. If you wish to stop, please cancel your subscription before it is renewed.
■About plan cancellation
You cannot cancel your subscription from this Yahoo! Easy Backup app or the Yahoo! JAPAN website. Please go to Google Play.
Please note that even if LINE Yahoo Japan Co., Ltd. restricts your usage, such as by suspending the use of your Yahoo! JAPAN ID, you will not be charged for paid services. Not stopped.
Please be sure to stop automatic updates yourself from Google Play.
We will not be able to provide a refund even if you do not cancel the billing process yourself.
In addition, when canceling the 2TB plan and changing to the previous plan, if there are files saved that exceed the previous capacity, the entire used capacity of Yahoo! Box will be reduced to the previous capacity within 90 days of cancellation. Please in the following.
Once you start using the service, you cannot cancel the current month's billing.
Your Google Account will be renewed within 24 hours before the end of the current period and we will identify the cost of the renewal.
Therefore, if you wish to stop automatic renewal, please complete the procedure at least 24 hours before the next month's billing date.
[About app access rights (permissions)]
App permissions are used to read the data to be backed up (contacts, photos, videos) and restart the backup when the smartphone is started.
[About contact items that can be backed up and restored]
Please note that the contact items that can be backed up and restored vary depending on the environment of the backup source and restore destination devices, OS, etc.
The contact items that will allow you to correctly restore backed up files are as follows:
・Name: "Mr." and "First name" excluding furigana
・Telephone number: Up to 1 per contact
・Email address: Up to 1 per contact
Other items such as company name, group, second and subsequent phone numbers and email addresses may or may not be restored depending on your usage environment.
[About unlimited smartphone backup capacity]
With Yahoo! Easy Backup Unlimited, the storage capacity of this app is unlimited, but if the following conditions apply, backup execution may be temporarily restricted from the perspective of service maintenance.
・If it is confirmed that backups are being performed in a way that affects services.
・When backing up a large amount of data in a short period of time
・When backing up images or videos taken or created with a device other than a smartphone
In the following cases, we may change the content provided.
・If there is a change in the service environment, etc.
・When it is necessary to continue to store customer data safely and securely
Please understand this before using the service.
[Terms of use]
・Yahoo! JAPAN ID is required for use.
・This app cannot be used from the European Economic Area (EEA) or the United Kingdom.
・Please check the LINE Yahoo Common Terms of Use (including software guidelines) and privacy policy before using this app.
LINE Yahoo Common Terms of Use
Software rules (guidelines)
privacy policy
Privacy center
About providing backup
Updated on
Mar 27, 2024

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
This app may share these data types with third parties
Personal info, App activity and 2 others
This app may collect these data types
Personal info, Financial info and 5 others
Data is encrypted in transit
You can request that data be deleted

Ratings and reviews

87.6K reviews
February 14, 2024
I need some help with the kids and security.
7 people found this review helpful
Jutt Jutt j
February 26, 2023
Very nice axsilent and good
9 people found this review helpful
A Google user
June 18, 2019
fast and work well
29 people found this review helpful