Hello, dear customers and partners,
We’d like to inform you of a temporary change to our office schedule due to an internal event.
Office Closure Period:
Friday, April 17, 2026 (Japan Standard Time)
During this period, we will be unable to respond to inquiries.
We will resume normal business operations on Monday, April 20, 2026 (Japan Standard Time).
Support During the Closure:
During the holiday closure, we will pause responses to:
- New orders for : Astah Professional Organizational Support Renewal
- Product inquiries
- Support requests
Note: Purchases for other license types via online store will remain available during the closure period.
All requests received during the closure will be handled in order after we reopen on April 20, 2026.
FAQ pages:
If you have any questions, please refer to the relevant FAQ pages:
- Licensing FAQ
- Purchasing FAQ
- Astah Professional FAQ
- Astah UML FAQ
- Astah SysML FAQ
- Astah System Safety FAQ
Thank you for your understanding and continued support.
Warm regards,
The Astah Team
Astah in 5min 