When a change is made from English to a foreign language, you might end up with an Outlook message header in that language.
Microsoft Outlook is set to default the From, To, CC, Send, BCC, Subject , Attachment boxes in English for messages, replies, etc.
If your message header appears in a language other than English, change the settings.
Open Outlook program
Check off all the boxes ...
Close your Outlook program
July 05, 2012