Connect to Exchange Online PowerShell using modern authentication

To install the latest public version of the module, run the following command

Set-ExecutionPolicy RemoteSigned
Install-Module -Name ExchangeOnlineManagement

To Connect to Exchange Online with Powershell using modern authetication

Import-Module ExchangeOnlineManagement

Connect-ExchangeOnline

Disconnect-ExchangeOnline

Leetspeak, also known as eleet, is a alphabet that is used mostly on the internet. It uses various combinations of ASCII characters to replace Latinate letters. For example, eleet may be spelled 31337 or 3L33t