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88.3K reviews
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About this app

\Over 15 million total downloads/ (Totaled on December 21, 2022)

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

◇◇Main Features◇◇

- You can back up contacts, images (photos), and videos.
- Backup is automatic, so you can use other apps while backup is running
- Regular notification of backup status
- If you have newly added/updated images (photos), videos, or phonebooks on your smartphone, the app will automatically back them up.
- Backed up data is saved in My Box of Yahoo! Box (online storage service/cloud service)
Checking the backup data
- You can check backed up images (photos) and videos in the app.
- You can save data to your smartphone and share it on SNS
◆Restore (data migration)
- You can easily transfer the backed up data in case of model change or data loss.
- Simply select the contacts, images (photos), and video data you want to restore, no complicated operations or settings
- You can save contacts, images (photos), and videos backed up in the storage to your smartphone.
- Easily transfer data from Android to iPhone and iPhone to Android
- The restored contact data (phone book) will be imported (imported) to the smartphone's Contacts app.
◆Storage Management
- You can check the backup usage capacity and backup available capacity in a graph
- You can delete unnecessary backup data from the app
◇◇Recommended for scenes like this◇◇
◆In case of emergency failure or loss

It is impossible to predict data loss due to smartphone failure, loss, or misoperation.
If you make a backup just in case, you don't have to worry about losing important memories of photos and videos! Data recovery can be done easily without troublesome operations, so even smartphone beginners can use it.
◆When changing models
If you back up the data on your old smartphone using Yahoo! Easy Backup, you can easily transfer the data to your new smartphone. Phonebook and contacts are still available.
It also supports different OS models from Android to iPhone. It can be used with smartphones from any mobile company, including docomo, au, softbank, Y!mobile, Rakuten Mobile, and UQmbile.
◆The amount of data continues to increase every day, and the capacity of your smartphone is insufficient!
Photos (images), videos, and contacts on your smartphone are automatically backed up to the Yahoo cloud, so you can delete unnecessary data.
Save your smartphone data in the cloud and solve the lack of space smartly!
・This app can be used on smartphones and tablets with Android OS 6.0 or later.
・Internet connection is required for backup and restore. Not available offline.
- Backup data is stored in My Box of Yahoo! Box.
・Data exceeding 2 GB per file cannot be backed up.
・You cannot back up data that exceeds the capacity of the backup destination. If the backup capacity is insufficient, we recommend changing the capacity plan.
・In order to comfortably back up and restore a large number of photos and videos, we recommend connecting to a Wi-Fi line and using your smartphone while it is charged.
[About 2TB plan]
■ Charges and payment
The monthly fee is 450 yen (tax included).
Billing is done to your Google account.
■ About purchase
Paid services in this application use the subscription mechanism of Google Play.
A Google account is required to purchase. It cannot be purchased with a Google account that has already been purchased.
Also, the purchase and cancellation procedures may differ depending on the version of Android you are using. If you have any questions about your Google account, please check Google Help.
The monthly fee will be charged immediately starting from the application date, and will be automatically renewed every month even if you do not use the service unless you cancel the subscription yourself. If you want to stop the subscription, please cancel the subscription before it is renewed.
■ About plan cancellation
Subscriptions cannot be canceled from this Yahoo! Easy Backup app or the Yahoo! JAPAN site. Please go from Google Play.
In addition, even if Yahoo! It will not be.
Please be sure to stop the automatic update from Google Play by yourself.
Refunds will not be given even if you do not stop billing yourself.
Also, when canceling the 2TB plan and changing to the previous plan, if files exceeding the previous capacity are saved, the entire used capacity of Yahoo! Box will be returned to the previous capacity within 90 days after cancellation Please in the following.
After you start using the service, you cannot cancel the billing for the current month.
Your Google Account will be renewed within 24-hours prior to the end of the current period and will identify the cost of the renewal.
Therefore, if you want to stop automatic renewal, please do so at least 24 hours before the next month's billing date.
[About app access rights (permissions)]
App authority is used to read the data to be backed up (contacts, photos, videos) and to resume backup when the smartphone is started.
[Contact items that can be backed up and restored]
Please note that the contact items that can be backed up/restored differ depending on the environment such as the device and OS of the backup source and restore destination.
The contact fields that successfully restore backed up files are:
・Name: “Mr.” and “First name” excluding furigana
・Phone number: Up to 1 per contact
・E-mail address: Up to 1 per contact
Other items such as company names, groups, phone numbers and email addresses after the second item may or may not be restored depending on the usage environment.
[About unlimited smartphone backup capacity]
With Yahoo! Easy Backup Capacity Unlimited, the storage capacity of this application is unlimited, but if the following conditions are met, backup execution may be temporarily restricted from the viewpoint of service maintenance.
・If you confirm that you are performing backups in a manner that affects the service
・When a large amount of data is backed up in a short period of time
・When backing up images or videos taken or created with a device other than a smartphone
・When a large number of files are uploaded in a short period of time by an invited person other than yourself to the Yahoo!
In the following cases, we may change the content of the offer.
・When there is a change in the service environment, etc.
・When it is necessary to keep customer data safe and secure
Thank you for your understanding.
[Terms of use]
・A Yahoo! JAPAN ID is required to use this service.
・This app cannot be used from the European Economic Area (EEA) and the United Kingdom.
・Please check the Yahoo! JAPAN Terms of Use (including software guidelines) and Privacy Policy before using this application.
Yahoo! JAPAN Terms of Use
Software Regulations (Guidelines)
About providing backup
Updated on
Aug 16, 2023

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
Data can’t be deleted

Ratings and reviews

84K reviews
A Google user
June 18, 2019
fast and work well
20 people found this review helpful
Jutt Jutt j
February 26, 2023
Very nice axsilent and good
2 people found this review helpful
Jeronymo Vasques
February 18, 2023
Very fast indeed.
1 person found this review helpful