To send your question, comment, suggestion or request to Cacoo,
please fill out this form and click the send button.
Business Hours: 10:00am - 6:00pm +900 JST (Monday - Friday)
Inquiries received during non-business hours will be responded on the next
business day. English, Japanese or Chinese only, please.

Inquiry form

  • If only a specific diagram has an issue, please include the URL of the digram (i.e. and describe what kind of issue you have and how does it happen.
  • In case the issue is related to the display, please send us a screenshot to to expedite the solution for you. Click here to check the steps to take a screenshot.