You can change the Time Zone and Language settings as per your preference in Microsoft Outlook or Outlook.com on your Windows computer.

If you want to change location, country/region, display language, and search result language in Copilot, follow the guide mentioned here.

Microsoft's new AI agent can change Windows settings for you - here's how Just tell the agent what you want to do, and it can carry out the task for you. But you'll need the right type of PC.