Rob Horwitz

Analyst

Rob Horwitz analyzes and writes about Microsoft licensing programs and product licensing rules. He also trains organizations on best Microsoft licensing practices.

Before co-founding Directions on Microsoft in 1992, Rob spent eight years at Microsoft in a variety of software development and technical marketing roles. He was a software developer on the first version of Macintosh Word and marketed Microsoft operating system- and server-based products while in the developer relations, networking product marketing, international, and OEM marketing groups.

Rob holds a B.S. in computer science from the Massachusetts Institute of Technology and an M.B.A. from Wharton.

Latest Content by Rob Horwitz

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Updated: July 1, 2025 · by Rob Horwitz

Microsoft 365 Enterprise Suite Packaging Compares components/features bundled within Microsoft 365 F3, E3, and E5 suites

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Updated: July 1, 2025 · by Rob Horwitz

Frontline Worker Online Suite Packaging Summarizes the online services and features included with Microsoft 365 F1/F3 and Office 365 F3 suites targeting Frontline workers.

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Updated: July 1, 2025 · by Rob Horwitz

Microsoft 365 Extensions Enumerates the many dozen discrete licenses that extend or augment the capabilities included with Microsoft 365 suites.

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Updated: July 1, 2025 · by Rob Horwitz

Office 365 Enterprise suites packaging Compares the contents of Office 365 F3, E1, E3, and E5 suites.

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Updated: April 16, 2025 · by Rob Horwitz

Office 365 and Microsoft 365 Comparison Compares the set of online services included with Office 365 E1/E3/E5 suites to those included with Microsoft 365 F3/E3/E5 suites

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