1. Pick the active window
Open the app, document, browser tab, or editor that should stay readable.
Blur background windows Mac
Blur everything except the active window on Mac.
Veil is for Mac users who search "blur everything except active window Mac" before a call, recording, or focused work session and want everything else to fade into the background.
2. Enable Veil
Use the menu bar control before starting the call or recording.
3. Share with less cleanup
Inactive windows are softened so your desktop does not need a full pre-meeting reset. It is a simple way to blur other windows while presenting.
Intentional blur, not a bug
If your MacBook Teams screen share is blurry only in background areas, that may be the privacy overlay doing its job.