Microsoft 365 admin center help
Explore resources for working in the Microsoft 365 admin center.
What's new
Office 365 is now Microsoft 365!
How-To Guide
Stay on top of Microsoft 365 changes
Get started
Set up your subscription and email, add users, and install apps.
Top 20 most-viewed admin help articles this month
Check out the help articles that are most popular with other admins.
Admin training video library
Learn how to set up and manage Microsoft 365 for your business with short videos.
Manage
Manage your subscription, services, and users, secure your business, and get help troubleshooting.
Overview of the Microsoft 365 admin center
Learn about admin roles, how to stay on top of changes, and how to customize your subscription.
Users and groups
Manage passwords, add and remove users, set up and manage groups, manage guest access, and assign user licenses.
Email and calendars
Manage email settings, distribution groups, and security settings, and set up shared mailboxes.
Domains
Learn about domains, set up and manage domains, and update DNS records.
Your data and service
Monitor the status of your service, back up data, install add-ins, and upgrade to the latest apps.
Subscriptions and billing
Manage bills, subscriptions, and product licenses, update payment methods, and purchase additional services and storage.
Secure your organization
Learn about the best ways to secure your organization like setting up multifactor authentication (MFA), and also learn about Microsoft Secure Score and GDPR.
Work with customers
Share documents and use Teams to collaborate and meet.
Troubleshoot
Access resources to help you troubleshoot and fix problems with your Office products or services.