What is duetexpertd on a Mac?
duetexpertd predicts which apps and actions you want next, for Spotlight and Siri Suggestions. It used 6 MB on our Mac; its data folder was 280 MB.
What is duetexpertd?
duetexpertd turns your usage history into predictions: the apps Spotlight suggests before you type, the shortcuts and actions Siri Suggestions offers, the widgets suggested for you. It lives at /usr/libexec/duetexpertd and runs as you; ours used 6 MB and no CPU. Its data is in the DuetExpertCenter folder, 280 MB on our Mac.
Why is duetexpertd using CPU?
It updates its predictions from new activity, most noticeably after an update or on a new Mac with history arriving. It is light the rest of the time.
How do I turn it off?
Turn off Siri Suggestions in System Settings, Siri, and suggestions in Spotlight's settings. duetexpertd then has little to do, and the folder stops growing.
See it live
Free Mac's System tab ranks every process by processor use and energy impact, once a second, and marks the ones macOS will not let you quit as protected. See also knowledge-agent and biomed.
Related: identityservicesd and routined.
Common questions
What is duetexpertd on a Mac?
The macOS process that predicts which apps and actions you want next, for Spotlight and Siri Suggestions.
Is duetexpertd safe?
Yes. It is part of macOS and works on the device.
How do I stop duetexpertd?
Turn off Siri Suggestions and Spotlight suggestions in System Settings.