The IRS is not responsible for any errors caused by calendars not properly updating in any application or the misuse of the calendars.

Subscribing:

1. Open Outlook 2007
2. Select “Tools” then “Account Settings…”
3. Choose the “Internet Calendar” tab and click “New…”
4. In the popup window, copy and paste one of the following URLs based on your needs:
   
   • All Dates: (includes all general events, employer events and excise events):
     http://www.tax.gov/2012/Calendar.ics
   • General Dates: (does not include any employer or excise events):
     http://www.tax.gov/2012/General/Calendar.ics
   • Employer Dates: (includes the general events and employer events):
     http://www.tax.gov/2012/Employer/Calendar.ics
   • Excise Dates: (includes the general events and excise events):
     http://www.tax.gov/2012/Excise/Calendar.ics
5. Click the “Add” button
6. The “Subscription Options” window should pop up 
7. Change the calendar name and description if you so desire
8. Click “OK”

Notes:

• Outlook 2007 will update the Tax Calendars every time you send and recieve email
• To display or hide the Tax Calendar, click the box next to the calendar name under "Other Calendars"