Je vais te mettre ce qui dit l'aide en anglais, ça vaz surement t'aider.
On the Tools menu, click Options, and then click the General tab.
Make sure the Confirm conversion at Open check box is selected, and then click OK.
Click Open .
In the Files of type box, click Recover Text from Any File.
Open the document as usual.
Note If you don't see Recover Text from Any File in the Files of type box, you need to install the file converter. How to install a converter.
Voili voila