For product help, licensing, billing, privacy, or company questions, email UNPROTON Labs directly.
support@unproton.comUse email for installation issues, account questions, license access, product behavior, and bug reports.
Include whether your request is about Explainly, InvoiceKit, PDFStamper, billing, refunds, privacy, or legal documents.
We aim to respond within two business days. Complex licensing, billing, or technical issues may require follow-up details.
For faster support, include the product name, your operating system and browser where relevant, the purchase email for billing requests, the transaction ID if available, and a concise description of what happened.
Do not send sensitive documents unless we specifically ask for a safe diagnostic example. PDFStamper and InvoiceKit are designed to process documents locally, so support can usually proceed without your private files.