PowerShell is a task automation and configuration management framework from Microsoft, consisting of a command-line shell and associated scripting language. It is used for various purposes, including automating administrative tasks, managing and automating the configuration of Windows-based systems, and more.
To connect to Microsoft Online services using PowerShell, you can use the following command:
UserCredential = Get-Credential $Session = New-PSSession -ConfigurationName Microsoft.Exchange -ConnectionUri https://outlook.office365.com/powershell-liveid/ -Credential $UserCredential -Authentication Basic -AllowRedirection Import-PSSession $Session
This will prompt you to enter your Microsoft Online Services credentials, and then establish a PowerShell session with the Microsoft Exchange Online service. From there, you can run various Exchange Online PowerShell commands to manage your email and other services.