Tee-Object

Saves command output in a file or variable and also sends it down the pipeline. This command can only be used through PowerShell. More information: https://learn.microsoft.com/powershell/module/microsoft.powershell.utility/tee-object.

Get-Process | Tee-Object -FilePath path\to\file

Get-Process notepad | Tee-Object -Variable proc | Select-Object processname,handles