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From the Features dropdown, select “Open resource view”
Navigate to the resource list, you’ll see the “General” calendar selected by default (third column)
Double-click on the field to open the calendar dropdown, select “Add calendar”
You’ll see the Calendar settings dialog, click on the “plus” button to add a new calendar
Select the holiday to add to the calendar and click “Create”
You’ve successfully added a new custom calendar, click “Update” to save and close the dialog
Double-click on the resource’s calendar column again and select the corresponding calendar
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