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Setting up Outlook 2016 with CalDAV Synchronizer

Step 1 - Download and install extension
Step 2 - Open Webmail and copy the CalDAV url
Step 3 - Open Outlook and click CalDav Synchronizer
Step 4 - Click Synchronization Profiles
Step 5 - Add a new profile
Step 6 - Select CalDAV folder in Outlook
Step 7 - Enter your server settings
Step 8 - All done!

Step 1 - Download and install extension

To sync your Webmail calendar in Outlook you need to download and install the extension Outlook CalDav Synchronizer.

After you have installed it on your computer, you need to restart Outlook. The extension will then be visible in Outlook as a tab in the blue ribbon at the top.

Note: Both Outlook and the CalDav Synchronizer extension are third party products. This means that One.com has no control over any changes or updates, that may cause it to stop functioning.

Step 2 - Open Webmail and copy the CalDAV url

To set up your calendar, you need the CalDAV url of your calendar.

  1. Log in to Webmail and go to Calendar.
  2. Click on the gear icon next to the calendar you want to sync, to open Settings.
  3. Click Show CalDAV url and copy the link.
Open Webmail and copy the CalDAV URL under settings

Step 3 - Open Outlook and click CalDav Synchronizer

Open Outlook and click the tab CalDav Synchronizer, at the top of your screen.


Open Outlook and go to the CalDAV Synchronization tab

Step 4 - Click Synchronization Profiles

Click Synchronization Profiles to start setting up your calendar.


Click Synchronization profiles

Step 5 - Add a new profile

Now you need to create a profile for your Webmail calendar.

  1. Click the green + icon in the top left corner.
  2. Select Generic CalDAV/CardDav as a profile type.
  3. Click Ok.
Add a new profile

Step 6 - Select CalDAV folder in Outlook

Start by entering a name for your profile. Next you need to select the folder where the calendar will be saved on your computer.

  1. Click the ... behind the input field for Outlook folder.
  2. Select the Calendar folder under your Outlook Data File, or on your Exchange profile.
  3. Click Ok to save.
Select the calendar folder in Outlook to sync to

Step 7 - Enter your server settings

Next you need to enter your server settings.

  • DAV url: the URL you copied from Webmail earlier.
  • Username: the email address where you created the calendar.
  • Password: The password you use to log in to Webmail.

Click Ok to save your settings.


Enter your server setting, the URL, your email and password

Step 8 - All done!

Your calendar is now set up. Any changes made in Outlook or Webmail will be synced automatically every 30 minutes.

Go to the calendar section in Outlook to make sure that all your existing appointments have been synced correctly.


You are all done, your calendar is now being synced

Related articles:

Getting started with One.com Calendar
Setting up Thunderbird Lightning with CalDAV