Configuring Outlook 365 Individual Calendar

Prerequisite:
You will need to install the CalDAVsynchronizer, a link will be provided in the article as you follow the steps to configure everything properly.

Step 1:

Go to this link (https://caldavsynchronizer.org/download-2/) and download current version provided.

Step 2:

Open the zip file and click on the setup file. An installation wizard will appear, click next. At the select installation folder screen, you'll see below the installation path two options, keep it on Just me and hit next.

Step 3:

Once the installation is complete, proceed to either restart or start Outlook, it should automatically be added to Outlook while it opens up. (Note: The free version of Outlook and Browser version are not supported, you'll need the Microsoft 365 version of Outlook for the addon to install)

Step 4:

After opening Outlook, the first thing we'll do is make a new Calendar Folder. To do this, right click on on of the pre-made Calendars, a menu will appear, you'll want to click on New Calendar...

Now, select the Calendar Folder, name your new Calendar then click ok.

Now, navigate to the Home Bar, you'll see a new tab called CalDAV Synchronizer (See Image Below), the next thing you'll want to do is click on that.

Step 5:

Next click on Synchronization Profiles.

Step 6:

A new window will open called Options, click on the green + symbol and another window will open to select the profile type. Click on the box next to Nextcloud and click OK at the bottom of the window.

Note: Refer to our article on how use the add multiple calendar options for more info.

Step 7:

Now you have the ability to name and configure the rest of your profiles settings. In the DAV URL bar, paste your CalDAV Address into the bar, then put in your Nextcloud credentials.

Step 8:

After you're done, click on the Test or Discover Settings button and wait a few seconds, if everything is correct, your connection test should succeed and a window with all of your calendars should appear, click on the calendars you would like to have sync with Outlook.

Once you've added your calendar into your new Calendar folder, click on Show Advanced Settings at the bottom of the window, a whole bunch of hidden settings will appear. Make sure that the Synchronize items immediately after change is checked. 

Now, click on the little arrow next to your calendar profile, and in the drop down, go to the Event Mapping Configuration. The only setting you'll need to enable is the "Use GlobalAppointmentID for UID attribute" Click OK when you're done.

Step 9:

After you close the configuration window, click on the Synchronize Now button in Outlook and wait a couple seconds, your calendar should now sync with your Nextcloud Calendar, Congratulations!