The Exchange Online Powershell V1 module is now deprecated. We need to use the Exchange OnlinePowershell V3 module instead.

Command to install Module
https://www.powershellgallery.com/packages/ExchangeOnlineManagement/3.1.0

Install-Module -Name ExchangeOnlineManagement -RequiredVersion 3.1.0

Command to connect

Import-Module ExchangeOnlineManagement

Connect-ExchangeOnline -UserPrincipalName [email protected]

See the KB below.

https://learn.microsoft.com/en-us/powershell/exchange/connect-to-exchange-online-powershell?view=exchange-ps

https://learn.microsoft.com/en-us/powershell/exchange/connect-to-scc-powershell?view=exchange-ps

https://learn.microsoft.com/en-us/powershell/exchange/connect-to-exchange-online-protection-powershell?view=exchange-ps