Fact · Dictation on Windows
Microsoft says the Phi Silica APIs are part of a Limited Access Feature.
Checked against its source on October 16, 2026
In the source's own words
“The Phi Silica APIs are part of a Limited Access Feature”
Phi Silica in the Windows App SDK, Microsoft Learn, 2026, Important note under the page heading.
Open the original- What it measures
- Microsoft's developer page for using Phi Silica in the Windows App SDK. The note links to a request form for an unlock token.
- What it does not show
- The access rules are Microsoft's and can change. The page is written for developers building Windows apps, not for people who use dictation.