Export of calendars from Horde to Exchange with Thunderbird
Requirements:
- Thunderbird with Exchange account
- Add ons: Exchange EWS Provider and Lightning
Export from Horde
Click on My Calendars and afterwards on the pencil.
The following window will open:
Click on the Export tab.
And select the Calendar ICS file.
Another window will pop up.
Select Save File and confirm with OK.
The file will be stored temporarily in the download folder.
Close the window by clicking again the Save button.
The calendar has been saved now.
Import to Thunderbird
Run Thunderbird. Open the Thunderbird menu in the upper right corner.
Go to Events and Tasks and afterwards to Import... .
A new window will pop up. Select the calendar to be imported and select Open.
Select Exchange when the following window opens and confirm with OK.
The import was successful if your events from the Horde calendar show up in your Thunderbird calendar.