In Word the CitaviWordAddIn.docm template was disabled and is now appearing in the Word options in the Inactive Applications Add-ins list. As a result, the Citavi Word Add-In is unavailable.
Solution
- In Word, click File > Options > Add-Ins.
- In the Manage drop-down menu, select Disabled Items and then click Go. Select CitaviWordAddIn.docm and click Enable.
- Restart Word.