1. Sign in to YNU Mail (Office365).
   
   
2. Click "Next".
   
   
3. Select mobile app or phone (SMS : text messaging / phone) for authentication.
   

   * It is recommended that you authenticate via SMS or app, as phone may fail to authenticate.

   Mobile app

   1. Click “Set up”.
      
      
   2. Install [ Microsoft Authenticator ] on your smartphone.
      for iOS 　for Android
      
   3. Open the app and select Add Account [+] > “Other Accounts”.
      
      
   4. Scan the QR code and click “Next” after the account is added to the app.
      

      * If “Next” is not displayed, zoom out the screen. (100% → 90%)
   5. Click “Next”.
      
      
   6. Enter the code displayed in the authentication app and click “Verify”.
      

      * If authentication fails, restart your smartphone.
   7. Set to enable phone number authentication when the authentication app is not available.
      

   Authentication phone (SMS: text messaging)

   1. Select a country and enter your phone number.
      
      
   2. A confirmation code will be sent to the number you set. Enter the code on the screen and click “Verify”.
      

   Authentication phone (phone)

   1. Select a country and enter your phone number.
      
      
   2. A call will be made to the set number, so press “#” sharpness according to the incoming message.
      
      
4. You don't need to record your app password. Click "Done".
   

1. Sign in to YNU mail.
   

   * If you have registered multiple authentication methods, you can change the authentication method from “Sign in with another way”.
   * If you cannot authenticate, you cannot add or change. Check “Initialization of multi-factor authentication“.

2. Click [View Account] to open the My Account page.
   
   
3. Select [Security Info].
   
   
4. Enter the code of the authentication app or authenticate by phone.
   

   * If you have registered multiple authentication methods, you can change the authentication method from “Sign in with another way”.
   * If you cannot authenticate, you cannot add or change. Check “Initialization of multi-factor authentication“.
5. Add authentication from [+ Add Method]. Only one phone / Alternative phone can be registered, so if you have already registered, please set from [Change].
   
   
6. You can set the app from [Authentication app] and register up to 5 authentication apps.
   

   * If code authentication fails, restart your smartphone.

Follow the steps below to create and set a new “App Password”. Also, use it appropriately for each of multiple applications.

Delete the app password of the app you no longer use.

1. Sign in to YNU mail and click [Icon] on the upper right> [View Account] .
   
2. Select [Security Info](* Authentication required).
   
3. Enter the code of the authentication app or authenticate by phone.
   

   * If you have registered multiple authentication methods, you can change the authentication method from “Sign in with another way”.
   * If you cannot authenticate, you cannot add or delete the app password. Check “Initialization of multi-factor authentication“.
4. Click [+ Add Method], or [Delete].
   

You can give a name to the password you created. You can use this name to manage passwords for each application.

Set the forwarding address in [ Mail ] > [ Forwarding ] > [ Enable forwarding ] in the settings.
Check the “Keep a copy of forwarded messages” checkbox to have the mail delivered to your Inbox.

【Attention】Automatic forwarding to external domains such as Gmail is not possible, so if you wish to forward to an external domain, please do so manually. Also, forwarding within the same domain (within “ynu.jp” or “ynu.ac.jp”) is limited to once.

Add redirect rule in [ Mail ] > [ Rules ] > [ Add new rule ] of Configuration.
Set in[ Redirect to ].

【Attention】If［Forward to］is selected under [Add an action], only one forwarding address can be specified.If you specify more than one, the mail will not be forwarded.

By default, some emails are classified as [ Focused ] Inbox and some as [ Other ].

If you do not need the classification function, please change the setting.

The following are possible reasons for not receiving the message.

• The function to classify mail into focused and other classifies it as other.
• It is classified in the mail folder as junk mail.
• The inbox filtering function may not have found the email due to the following reasons.
  • Limiting the number of emails to display.
  • Display order is ascending by date
  • Related e-mails are displayed together because it is set to threaded view.
• The mail is set to be moved to another folder or deleted by “rules” in the mail settings.
• (If you are using the Outlook email app for smart phones) It is categorized in the Other folder.

 

If the email is classified in the “junk mail” folder

When you receive an e-mail, it may be automatically identified as junk mail and moved to the “Junk Mail” folder.
Please check your “Junk Mail” folder.
If it is not spam, you can click [Not Spam] to prevent it from being sorted into your junk mail.
In addition, to avoid being judged as junk mail, you can set the mail not to be moved to the [Junk Mail] folder or register the recipient in the white list method from the mail options menu.

The web version of Outlook does not allow you to back up your mail, but you can back up or move your mail to another account by using the following methods.Please note that the Information Technology Center does not provide support for obtaining backups.

Back up using the application version of Outlook.
(If Outlook is not installed on your PC, you will need to install it.)

If you use this method to obtain backups, please note that the email and attached file data will be stored on the local disk as data, not in the cloud, so please take precautions against leakage due to virus infection, etc.