Open-Xchange webmail access
Click on the Address Book tab
Select the contact list that needs to be exported, and click on the button beside as screenshot
Click on the Export button
Export out as vCard format (.vcf)
Log out and re-log in webmail again, now select Horde webmail
Click on the Address Book tab and then click the Import / Export button
Select vCard as the source file. Click on Choose file under Import Address Book, then select the exported .vcf file
Klik tombol NEXT dan buku alamat akan di impor ke webmail Horde
