What can I do if I installed Microsoft Office 2013 in the wrong language? - Telegraph.co.uk

What can I do if I installed Microsoft Office 2013 in the wrong language? Telegraph.co.uk I have just installed Microsoft Office 2013 and to my horror it has come up in a different language. I know I selected English in the language choice box but it was only when the installation completed that the wording came up. I didn't click the box ...