Petri IT Knowledgebase is an online resource for IT professionals, offering practical guidance and news across enterprise technology, with a focus on Microsoft products and services. The site describes itself as a trusted resource for more than 20 years and is published by Petri Media LLC.

Its coverage includes identity management, Active Directory, Microsoft Entra ID, Azure, hybrid cloud, Windows, Windows Server, PowerShell, SQL Server, Microsoft 365, Teams, Exchange, SharePoint, Power Platform, Copilot, endpoint management, and security. Readers can find technology news, product updates, explainers, troubleshooting instructions, and step-by-step tutorials designed to help IT teams manage systems and address common technical challenges. Petri also publishes sponsored articles and features content from its editorial team and contributors.

Beyond written articles, the brand provides podcasts, webinars, and a learning center. IT professionals can subscribe to its newsletter for updates, while organizations and advertisers can explore its advertising options and media kit. With broad topic coverage and a mix of news, education, and practical resources, Petri serves as a knowledge hub for professionals working with Microsoft technologies and business IT.