July 2, 2025: We have ended the previous format.
May 21, 2025: We announced this information.

Yahoo! JAPAN Ads Display Ads

June 30, 2025

As we previously announced in "Display Ads: Format change for customer data connection," we have ended the use of the previous format for customer data connection. Use the new format.

The differences between the previous format and the new format are as follows:

• Previous format
  Lowercase or uppercase
  Example: abcd@yahoo.co.jp, ABCD@yahoo.co.jp
• New format
  Lowercase only
  Example: abcd@yahoo.co.jp

• Previous format
  Phone number only
  Example: 09012345678
• New format
  Country code + phone number
  Example: +819012345678