---
type: source
title: Groupware Synchronization with Thunderbird
tags: [thunderbird, groupware, synchronization, caldav, carddav]
related: [mozilla-thunderbird, groupware, caldav, carddav]
created: 2026-07-01
updated: 2026-07-01
sources: ["output/rz_uni_greifswald_de_dienste_webdienste_groupware_sync_thunderbird.md"]
---

# Groupware Synchronization with Thunderbird

This source provides technical instructions for synchronizing the Universität Greifswald Groupware calendar and address book (contact data) with the Mozilla Thunderbird client.

## Calendar Synchronization (CalDAV)
To set up calendar synchronization:
1. Navigate to the **Calendar** tab in Thunderbird.
2. Click the **+** icon (or sign) in the calendar list to create a new calendar.
3. Select **On the Network** and click **Next**.
4. Enter the **zentrale Nutzerkennung** (central user ID) as the username.
5. Enter `groupware.uni-greifswald.de` as the address.
6. Click **Find Calendars** and authenticate using the central password.
7. Select the desired calendars and click **Subscribe**.

## Address Book Synchronization (CardDAV)
To set up address book synchronization:
1. Open the **Address Book** from the main Thunderbird window.
2. Go to **File** $\rightarrow$ **New** $\rightarrow$ **CardDAV Address Book**.
3. Enter the **zentrale Nutzerkennung** (central user ID) as the username.
4. Enter `groupware.uni-greifswald.de` as the address.
5. Click **Next** and authenticate using the central password.
6. Select the available address books and click **Next** to complete the setup.

## Support
Technical issues are handled by the [[universitatsrechenzentrum-urz]] via:
- The [[groupware]] ticket system.
- The URZ hotline at extension **1420**.