Here are a few popular PowerShell cmdlets for managing Azure and Microsoft 365:

1. Connect-AzureAD: This cmdlet is used to connect to Azure Active Directory and authenticate with a tenant.
2. Get-AzureADUser: This cmdlet is used to retrieve information about users in Azure Active Directory, such as their name, email, and telephone number.
3. New-AzureADUser: This cmdlet is used to create new users in Azure Active Directory.
4. Set-AzureADUser: This cmdlet is used to update information about users in Azure Active Directory, such as their name, email, or telephone number.
5. Remove-AzureADUser: This cmdlet is used to delete users in Azure Active Directory.
6. Connect-MsolService: This cmdlet is used to connect to the Microsoft Online Services PowerShell module and authenticate with a tenant.
7. Get-MsolUser: This cmdlet is used to retrieve information about users in Microsoft 365, such as their name, email, and license status.
8. New-MsolUser: This cmdlet is used to create new users in Microsoft 365.
9. Set-MsolUser: This cmdlet is used to update information about users in Microsoft 365, such as their name, email, or license status.
10. Remove-MsolUser: This cmdlet is used to delete users in Microsoft 365.
11. Get-AzureRmVM: This cmdlet is used to retrieve information about Azure Virtual Machines, such as the status, size, and IP address.
12. New-AzureRmVM: This cmdlet is used to create new Azure Virtual Machines.
13. Start-AzureRmVM: This cmdlet is used to start an Azure Virtual Machine.
14. Stop-AzureRmVM: This cmdlet is used to stop Azure Virtual Machines.
15. Remove-AzureRmVM: This cmdlet is used to delete Azure Virtual Machines.