Does Zoho use Microsoft to manage their emails?

Does Zoho use Microsoft to manage their emails?

I got this email and I'm doubting it's legitimate, but I wasn't sure if there was some collaboration between Zoho and Microsoft...

Microsoft account
Security alert
We think that someone else might have accessed the Microsoft account cg*****@zoho.com. When this happens, we require you to verify your identity with a security challenge and then change your password the next time you sign in.
If someone else has access to your account, they have your password and might be trying to access your personal information or send junk email.
If you haven't already recovered your account, we can help you do it now.
Recover account
Learn how to make your account more secure.
Thanks,
The Microsoft account team