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Office apps and the Mso::ChecksumRegistry::Data algorithm | Rafael Rivera

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Nearly all Microsoft apps have experimentation code built-in these days. This code is typically used to facilitate A/B testing externally but internally, it can problematic if left on. (Imagine trying to reproduce a bug in a feature that's turning itself on/off or behaving differently across machines.) This is why most apps also house a feature or experiment control panel, hidden to all except those typically on the owning team.

Nearly all Microsoft apps have experimentation code built-in these days. This code is typically used to facilitate A/B testing externally but internally, it can problematic if left on. (Imagine trying to reproduce a bug in a feature that's turning itself on/off or behaving differently across machines.) This is why most apps also house a feature or experiment control panel, hidden to all except those typically on the owning team. Story Remix has a panel, for example, that appears when a specifically named .json file is present on disk and populated with specific values. Groove Music relies…

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