Hi @Devante Frank ,
Welcome to our forum!
Do you mean the below language?
If so, please refer to this article and change it: Check or change language settings.
Hope to help you! If it doesn't help, considering that the issue is more related to your outlook.com account, please kindly understand that the Outlook tag here we mainly focus on general issues about Outlook desktop client. It's suggested that you could post your case in dedicated forum for Outlook.com for more professional advice.
If the answer is helpful, please click "Accept Answer" and kindly upvote it. If you have extra questions about this answer, please click "Comment".
Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.