To export contacts from Microsoft Outlook, you'll need to use Outlook's "Export to a file" feature, which is built-in.
You can share files and folders on OneDrive from within Office apps, from your desktop, or from the OneDrive website.
With a new update rolling out to Windows Insiders, Copilot can access your Microsoft and Google accounts to work with your email, calendar, and contacts. Here's how this worked for me.