Knowledge Base

Learn why public SSL certificates cannot be issued for internal IP addresses or hostnames and explore secure alternatives like private CAs and Sectigo Private PKI solutions for internal systems.

Learn the step-by-step process to add a digital signature to a PDF using Adobe Acrobat Reader DC. Includes instructions for selecting your certificate and signing securely.

Learn how to securely configure Microsoft Exchange Server by generating a Certificate Signing Request (CSR), installing an SSL certificate via the Exchange Admin Center (EAC), assigning services, verifying installation, and importing intermediate certificates. This step-by-step guide ensures encrypted communication and proper certificate deployment for your exchange server.

Discover how to add a cross-sign certificate on Windows, remove the Sectigo Root R46/E46, and properly bind your SSL certificate to a website using Microsoft IIS. Get step by step instructions with examples.

These instructions will show you how to generate a certificate signing request (CSR) and install a certificate in Microsoft Azure Key Vault. You will need to create a Key Vault in your Azure account before using this how-to.

This guide provides a streamlined process for obtaining and configuring an S/MIME certificate in PFX format on Windows. It covers CSR generation, certificate request and validation via Sectigo, import using Certificate Manager, and final setup in Microsoft Outlook for encrypted and digitally signed email communication.

This article outlines the process for securely importing an S/MIME certificate into Windows Certificate Manager through a step-by-step guide. It provides clear steps to access the certificate store, run the Certificate Import Wizard, and choose the correct storage location.

Microsoft IIS and other Windows-based TLS servers will provide a certificate chain

Access New Sectigo Public Certificate Chain

Learn the steps to generate a Certificate Signing Request (CSR) for an S/MIME certificate using Keychain Access on macOS. This CSR is required to request a digital certificate for secure email communication.