Fact · Dictation on Windows
Microsoft says it may keep a voice clip it has sampled for longer than two years, so it can keep training its speech recognition models.
Checked against its source on October 16, 2026
In the source's own words
“we may keep it for longer than two years so that we can continue to train and improve our speech recognition models”
How does Microsoft protect my privacy while improving its speech recognition technology?, Microsoft, Microsoft Support, n.d., Where are my voice clips stored, and for how long?.
Open the original- What it measures
- This sentence follows the two-year period. It applies only to a clip that Microsoft has sampled, not to every clip that is contributed.
- What it does not show
- The page does not say how many clips are sampled, or how long a sampled clip is kept beyond two years.