Contact Us Open Office Head Office Level 1 – 253 Wellington Road, Mulgrave, Victoria, 3170 Tel: 03 9738 2500 / 1800 993 995 / Fax: 03 9738 2600 Local support is available in Sydney and Adelaide. Contact Open Office for more information. Email: open.office@openoffice.com.au Name (required) Email (required) Telephone Message Come visit us!