Use a macro to open the Calendar to appointment date
Macro to replace the Go To Date feature of Outlook's Calendar. From an open appointment, run the macro. The calendar opens to the date of the appointment.

To change the hourly interval in Outlook
Outlook's calendar supports multiple time scales, from 5 minutes to 1 hour. While you can't make your own interval, you can change the scale to one more suitable for your needs.

To Add Color Coding to Calendar items
Many people want to be able to color-code their Outlook calendars to distinguish between business and personal appointments, for example. Having been on the wish list for years, this feature finally arrives in Outlook 2002 in the form of Labels and Outlook 2007 adds colors to categories. See Understanding Outlook's Calendar patchwork colors for display
Show Separate Business and Personal Calendars
There's a simple solution for all versions of Microsoft Outlook, thanks to Richard S. Champlin: Add two categories — Personal and Business work fine — and apply one or the other to each of your appointments. Create two filters for the Calendar folder, one to show only the Personal category, the other displaying only the

To Show Birthdays for a Particular Month
How to create a custom view to show birthdays for a particular month.

Display Weekday Names in a Weekly Calendar View
Microsoft Outlook depends on the "long" date format set for all Windows programs. Open the control panel Regional and Language Settings applet (Region and Language in Windows 7). Choose the option to customize the settings. In Windows 7, click the Additional Settings button. Select the Date tab and change the long date format so that

The calendar shows the wrong day at the beginning or end of the month
The calendar shows the wrong day at the beginning or end of the month. The wrong day Is selected in Monthly View

