Change the default displaying language in Outlook 2010 and 2013 Print

To change the default displaying language in Outlook 2010 and 2013, you have to configure the Outlook options as following:

Step 1: Click the File > Options.

Step 2: In the Outlook Options dialog box, click the Language in the left bar.

Step 3: Go to the Choose Display and Help Languages section.

Step 4: Click to select a language from the Display Language box.

Step 5: Click the Set as Default button below the box.

Step 6: Click the OK button. And then a dialog box comes out to remind you to restart Office, just click the OK button.

Step 7: Restart your Microsoft Outlook.