How to Sync Calendar in Outlook with CalDAV

Outlook doesn’t support CalDAV by default, but with a third-party plugin, you can still connect your calendar to services like Zoho Calendar, Roundcube, and others. This guide explains how to sync your Outlook calendar with a CalDAV server using the CalDAV Synchronizer plugin.

• Step 1 – Download CalDAV Synchronizer
• Step 2 – Install the plugin
• Step 3 – Restart Outlook
• Step 4 – Set up a sync profile
• Step 5 – Choose calendars to sync
• Step 6 – Enable syncing
• Step 7 – Sync your calendar
• Step 8 – Done

Step 1 – Download CalDAV Synchronizer

Go to the official CalDAV Synchronizer website and download the plugin.

Step 2 – Install the plugin

Run the downloaded file and follow the installation instructions to install it into Outlook.

Step 3 – Restart Outlook

Close and reopen Outlook to make sure the plugin loads correctly.

Step 4 – Set up a sync profile

Fill in the following information:

1. Click the CalDAV Synchronizer tab in the Outlook ribbon.
2. Select Synchronization Profiles and click the + button.
3. Choose Generic CalDAV/CardDAV as the profile type.
4. Name your profile (e.g., Work Calendar).
5. Enter the CalDAV server URL, your username, password and email address (or app-specific password if needed).
6. Select the Outlook calendar folder you want to sync with.
7. Click Test or discover settings to check the connection.
8. Click OK to save the profile.

Step 5 – Choose calendars to sync

If your CalDAV service includes multiple calendars, select the one(s) you want to sync.

Step 6 – Enable syncing

Make sure sync is turned on for the new profile.

Step 7 – Sync your calendar

You can wait for automatic sync or manually start it by clicking Synchronize now from the plugin tab.

Step 8 – Done

Your Outlook calendar is now connected and syncing with your CalDAV server. Any updates will be reflected in both places.

Related articles:

• How do I create an event in the calendar?
• How can I share a calendar?