Slate External iCal Integration for Outlook

Users can add external iCal feeds into Slate Events and Scheduler. Easily add

  • institutional calendars
  • staff calendars
  • and more directly into Slate, including any free/busy information.


Your institution's policies might prohibit sharing Outlook Calendar Feeds. If you do not see the option to Publish a calendar in Outlook, your institution's IT department may need to enable external calendar sharing before you can sync your iCal feeds into Slate Events and Scheduler. You can read more about Outlook calendar sharing on


When adding a web calendar, it will be added to both the Events and Scheduler calendars; these cannot be separated. iCal subscriptions from/to Slate will be updated every hour.

The US Holiday iCal is automatically available in Slate. If you need a specific iCal, search for the URL here

Adding Events to an Individual Outlook Calendar

This process will add Events in Slate as a new calendar in Outlook. After following these steps, the Slate iCal file will automatically sync and be available to view on an individual's computer.

  Mac Users

According to Microsoft: "Support for importing and synchronizing for iCal is not yet available in Outlook for Mac."

1. Click Events or Scheduler in the top navigation bar.

2. In the iCal subscribe section on the lower right-hand side, select All Events or Your Events ('Your Events' refers to events associated with a specific user).

3. In the pop-up box that appears, click Open Pick an app or Open Outlook.

4. If the pop-up box opens, Pick an app and select Outlook.

5. When Outlook opens, it will display a pop-up window. Click Yes in the pop-up window to add the events to your calendar.


Adding an Individual Outlook Calendar to the Slate Calendar (Web Browser)

This process will add an individual's Outlook Calendar to the Slate calendar feeds.

1. Log into the individual Outlook 365 calendar using the web browser version.

2. Select Settings > View all Outlook settings.

3. Select Shared calendars.

4. Under Publish a calendar, choose the calendar to be published and configure any other settings as necessary.

5. Select Publish and copy the ICS link.


6. In Slate, Click Manage Calendar Feeds, located in the lower right section of the Events module, or Calendar Feeds from the Database.

7. Click "New Calendar Feed"

8. Paste the ICS link and provide a name to the newly added calendar.

9. Select Save.


10. Click "Your Feeds" in the Calendars section located in the lower right section and select the newly added calendar.

11. Toggle Share as free/busy calendar.

12. Select Save.


13. The calendar will now display under 'Calendars'. Select/unselect non-Slate calendars to display or not display, respectively.



It is currently best practice to explicitly set the time zone for an event in the Details tab instead of using the "Autodetect from Location" setting to ensure the correct time is presented in iCal.
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