Contact Microsoft Office Support: Sign in to Microsoft 365 with your Microsoft 365 admin account, and select Support > New service request. If you're in the admin center, select Support > New service request . If you're an admin on the account, call (800) 865-9408 (toll-free, US only). Microsoft Office 365 provides best service. Microsoft Office 365 service phone number – Not with standing, this is regularly programming inside the end and that is the reason some of the time it faces issues influencing the business tasks of its clients. You activate Office by signing in with a Microsoft account. If we detect your Microsoft account, we'll show it on this screen. After you sign in, your product is added to your Microsoft account, Select your version of Office below to learn how to activate Office: Activate Office 365, 2019, 2016, or 2013. Activate Office that's pre-installed on a new Windows 10 device. Set up Office apps and email on Android. Set up Office apps and email on iOS devices. Set up Office apps and email on Windows Phone or Set up Office apps on Windows Phone. You can't set up email on your mobile device. For help with troubleshooting email setup on your phone or tablet, see Troubleshoot email setup on mobile. Did You Know This Keywords: office.com/setup, microsoft office support setup, microsoft office customer service, microsoft 365 setup to activate, Microsoft 365 setup, activate office 365 product key, microsoft office activation wizard, enter microsoft office 365 home product key, microsoft 365 com setup, microsoft office activation fix, microsoft office product key activation, Activate Office : Select your version of Office below to learn how to activate Office: Activate Office 365, 2019, 2016, or 2013 Activate Office that's pre-installed on a new Windows 10 device Activate an Office purchase or offer that's included on a new Windows 10 device Activate Office HUP (Home Use Program) Activate Office 2010 Activate Office for Mac Microsoft 365 is great for work. It's also great for all the things you do when you're not working. Plan a remote gathering, create school projects, set health and fitness goals, and manage your household budget with the apps, tools, and features of Microsoft 365.