Turn off phone number detection

Supported on: At least Internet Explorer 11.0

Registry

HKLM Software\Policies\Microsoft\Internet Explorer\Main\FormatDetection

HKCU Software\Policies\Microsoft\Internet Explorer\Main\FormatDetection

Value name: PhoneNumberEnabled

Enabled: PhoneNumberEnabled = 0

Disabled: PhoneNumberEnabled = 1

Description

This policy setting determines whether phone numbers are recognized and turned into hyperlinks, which can be used to invoke the default phone application on the system. If you enable this policy setting, phone number detection is turned off. Users won't be able to modify this setting. If you disable this policy setting, phone number detection is turned on. Users won't be able to modify this setting. If you don't configure this policy setting, users can turn this behavior on or off, using Internet Explorer settings. The default is on.