Contact us

Updated 5 November 2026.

1. Tell us what you need

For a missing download, a file problem, a refund or a store question, use the form below or email contact@horizonoak.click. Include your order number and checkout email if your request concerns a purchase. A short description of what happened helps us reply with the right next step.

2. When to expect a reply

We aim to answer within two business days, Monday to Friday, 09:00–17:00 America/Chicago. Check your spam folder if you are waiting for a response or download email. Do not send a password, full card number, identity document or private financial worksheet through this form.

Contact

Horizon is operated by KATMAI HEALTH SERVICES, LLC, 11001 Omalley Centre Dr, Anchorage, AK 99515, United States. Website: https://horizonoak.click. Email: contact@horizonoak.click. Phone: +1 415-746-6343. Support hours: Monday to Friday, 09:00–17:00 America/Chicago; target reply within two business days.