Can not remove US calendar in outlook 2016

Dear All

            How do i remove US calendar in outlook 2016, i tried to uncheck United States from add holiday to calendar, by adding my own region area, and after that my own region area have duplicated show and US holiday still appear in outlook, any way to remove US holiday completely, also to delete the duplicate holiday in my own region area ? any would would be appreicated

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FOXActive Directory/Exchange EngineerCommented:
To remove the duplicates and the holidays you want to put the calendar in a list view or category and remove them that way.

ref link:
piaakitAuthor Commented:
thanks, and may i know how to remove the US holiday ?
FOXActive Directory/Exchange EngineerCommented:
Open your email account in Outlook Web Access.  At the bottom left Click on calendar, Once the calendars appear , right-click US Holiday Calendar and then click Remove.  At the top you can click Add Calendar>Holiday Calendar...pick the Region you would like added.

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FOXActive Directory/Exchange EngineerCommented:
Tested solution, Requestor didn't close question or award points
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