Due to our annual internal event, we’ll be closing our office on October 20th(Fri) – Japanese time.
Technical Support & inquiries
Please send us emails or create support tickets, we’ll respond on Monday.
Purchasing licenses is available through our online store or resellers.
However the following license type may be delivered on the following Monday (23rd), so if you need to use Astah on 20th, please purchase ahead of time.
- Academic Individual License
- Faculty Site License
- Astah Organizational Perpetual License
Organizational Trial License
All the requests we received on 20th(Fri) will be responded on the following Monday (23rd).
Lost your license file?
If you have lost your license file and need to re-issue. You can do so by yourself on our website: How to re-issue your license file
If you have any questions, please refer to our FAQ.