How to remove duplicate public holiday entries in Outlook?
If duplicate public holidays take place in your calendar folder in Microsoft Outlook, it will be time-consuming and tedious to delete the duplicate holiday entries one by one. In this article, we will introduce an easy way to remove duplicate public holiday entries in Microsoft Outlook.
Part 1: Remove all holiday entries from a calendar
Part 2: Import holiday entries into a calendar
Part 1: Remove all holiday entries from a calendar
The first part will guide you to remove all holiday entries from a calendar in Microsoft Outlook. Please do as following:
Step 1: In the Calendar view, open a calendar folder that you will remove holiday entries from.
Step 2: Change the displaying view of opening calendar:
- In Outlook 2007, click "View" > "Current View" > "Events".
- In Outlook 2010 and 2013, click "Change View" > "List" on the "View" tab.

Step 3: Arrange all appointments by Categories by clicking "Categories" in the Arrangement box on the "View" tab in Outlook 2010 and 2013.
In Outlook 2007, click "View" > "Arrange By" > "Categories".

Note: You can also sort appointments by categories by clicking "Categories" at the Column Header.
Step 4: Select all appointments marked as the category of "Holiday", and then press the "Delete" key.
Note: Holding the "Shift" key, you can select all adjacent appointments by clicking the first one and the last one.
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Part 2: Import holiday entries into a calendar
This part will guide you to import public holiday entries of a specified country or region into your calendar in Microsoft Outlook.
Import holiday entries into a calendar in Outlook 2010 and 2013
Step 1: Click "File" > "Options".
Step 2: In the Outlook Options dialog box, click "Calendar" in the left bar.
Step 3: Go to the "Calendar options" section, and click the "Add Holidays" button.

Step 4: In the Add Holiday to Calendar dialog box, check a location whose holidays you will import to your calendar, and click the "OK" button.

It will take a minute to import the holidays of specified location into your calendar. Be patient to wait.

Step 5: Then a dialog box comes out and tells you the holidays have been added to your calendar. Click "OK".

Step 6: Click the "OK" button to exit the Outlook Options dialog box.
Note: The public holidays will be added into the default calendar folder of default data file. If the duplicate holiday entries do not stay in the default calendar folder, this method is unable to solve your problem.
Import holiday entries into a calendar in Outlook 2007
Step 1: Click "Tools" > "Options".
Step 2: In the Options dialog box, click the "Calendar Options" button on the "Preferences" tab.

Step 3: In the Calendar Options dialog box, click the "Add Holidays" button in the "Calendar options" section.

Then you can follow the same steps we talked about in Outlook 2013 to finish importing holidays.
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