Enable tab preview on hover
Supported on: Microsoft Edge version 141, Windows 7 or later
Registry
HKLM
Software\Policies\Microsoft\Edge\Recommended HKCU
Software\Policies\Microsoft\Edge\Recommended Value name: ShowTabPreviewEnabled
Enabled: ShowTabPreviewEnabled = 1
Disabled: ShowTabPreviewEnabled = 0
Description
This policy controls whether Microsoft Edge displays a preview of the tab content when the user hovers over a tab. If you enable or don't configure this policy, Microsoft Edge shows a tab preview when the user hovers over a tab. If you disable this policy, tab previews aren't shown on hover.