Maintain Microsoft 365 Business Premium

2025-09-09

Maintaining your Microsoft 35 Business Premium environment includes managing user accounts, managing devices, and keeping things up to date and working correctly. Admin tasks are typically performed by global administrators and tenant administrators. Learn more about admin roles.

Important

Microsoft recommends that you use roles with the fewest permissions. Using lower permissioned accounts helps improve security for your organization. Global Administrator is a highly privileged role that should be limited to emergency scenarios when you can't use an existing role.

If you're new to Microsoft 365, take a moment to get an Overview of the Microsoft 365 admin center.

Tip

An operations guide for security tasks in Business Premium is available at zzz.

Admin center tasks

Task	Resources to learn more
Get started using the Microsoft 365 admin center	Overview of the Microsoft 365 admin center
Learn about new features in the Microsoft 365 admin center	What's new in the Microsoft 365 admin center
Find out about new product updates and features so you can help prepare users	Stay on top of Microsoft 365 product and feature changes
View usage reports to see how people are using Microsoft 365	Microsoft 365 Reports in the admin center
Open a technical support ticket	Get support for Microsoft 365 for business

Users, groups, and passwords

Task	Resources to learn more
Add a new user	Add a new employee to Microsoft 365
Assign or unassign licenses for users	Assign or unassign licenses for users in the Microsoft 365 admin center Assign Microsoft 365 licenses to user accounts by using PowerShell
Assign admin roles to people who need admin permissions	Assign admin roles in the Microsoft 365 admin center Assign admin roles to Microsoft 365 user accounts with PowerShell
Remove licenses from users	Assign or unassign licenses for users in the Microsoft 365 admin center Remove Microsoft 365 licenses from user accounts with PowerShell
Turn pronouns on or off	Turn pronouns on or off for your organization in the Microsoft 365 admin center
Determine whether to allow guest access to groups for their whole organization or for individual groups (applies to Microsoft 365 Business Premium)	Guest users in Microsoft 365 admin center
Remove a user account when someone leaves your organization	Overview: Remove a former employee and secure data
Reset passwords for user accounts	Reset passwords in Microsoft 365 for business

Email and calendars

Task	Resources to learn more
Migrate email and contacts from Gmail or another email provider to Microsoft 365	Migrate email and contacts to Microsoft 365
Add an email signature, legal disclaimer, or disclosure statement to email messages that come in or go out	Create organization-wide signatures and disclaimers
Set up, edit, or delete a security group	Create, edit, or delete a security group in the Microsoft 365 admin center
Add users to a distribution group	Add a user or contact to a Microsoft 365 distribution group
Set up a shared mailbox so people can monitor and send email from a common email addresses, like `info@contoso.com`	Create a shared mailbox

Devices

Task	Resources to learn more
Use Windows Autopilot to set up and preconfigure new devices or to reset, repurpose, and recover devices (applies to Microsoft 365 Business Premium)	Overview of Windows Autopilot
View current status of and manage devices	Manage devices in Microsoft Defender for Business
Onboard devices to Defender for Business	Onboard devices to Defender for Business
Offboard devices from Defender for Business	Offboard a device from Defender for Business
Manage devices with Intune	What does device management with Intune mean? Manage your devices and control device features in Microsoft Intune

Domains

Task	Resources to learn more
Add a domain (like contoso.com) to your Microsoft 365 subscription	Add a domain to Microsoft 365
Buy a domain	Buy a domain name
Remove a domain	Remove a domain

Subscriptions and billing

Task	Resources to learn more
View your bill or invoice	View your Microsoft 365 for business subscription bill or invoice
Manage your payment methods	Manage payment methods
Change the frequency of your payments	Change your Microsoft 365 subscription billing frequency
Change your billing address	Change your Microsoft 365 for business billing addresses