We have posted about availability of 2010 Calendars templates for Office which you can download from office market place for free. If you want to create your own calendars with customized data range and year then XLCalendar is the tool for you.
XLCalendar is a calendar generator for Microsoft Excel that outputs calendars in Microsoft Excel spreadsheet format. Using XLCalendar, you can easily make various kinds of perpetual calendars, and custom calendars in your own language, holidays and styles.
XLCalendar Create Calendars in Office Excel
