If your PC is managed by your employer, and if your employer has paid for a Microsoft 365 Business account, you might have another option -- signing in to Windows 11 with your business email address.
Microsoft may revive the Windows People app as a web app centered around Outlook.com on Windows 11 for Microsoft 365.
Outlook will add the option to login to other Office apps directly from the platform without having to repeat the process.
Microsoft People is based on the old Windows 10 app and it will allow you to manage the contacts from Outlook. Here's more!