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What is Office 2019 Professional Plus?

Office 2019 Professional Plus is the most complete edition of Microsoft Office 2019 for Windows. It was released in September 2018 and is primarily distributed through Microsoft volume licensing to businesses, schools, and other organizations.

The suite includes Word, Excel, PowerPoint, Outlook, Publisher, and Access, along with Skype for Business. This makes it suitable for organizations that need document creation, data analysis, email, desktop publishing, databases, and internal communication in one package. Office 2019 Professional Plus is Windows only.

Because it is a volume edition, Office 2019 Professional Plus is usually activated with a Multiple Activation Key (MAK) or through a Key Management Service (KMS) host, rather than by linking the license to a personal Microsoft account. When comparing offers, check how the license is activated and whether it is suitable for your use.

Office 2019 is a perpetual version, so it does not receive the ongoing feature updates that Microsoft 365 subscribers get. Microsoft ended support for Office 2019 on October 14, 2025, which means no further security updates. For long-term use, Office LTSC 2024 or Microsoft 365 are the supported options.

Compare Office 2019 Professional Plus key prices on CDKeyCompares, and read why some software keys are so cheap to understand how volume licenses are sold.