Running 7-Zip from within a Powershell script
Found this script and adapted it to your needs. Can you please try: $7zipPath = “$env:ProgramFiles\7-Zip\7z.exe” if (-not (Test-Path -Path $7zipPath -PathType Leaf)) { throw “7 zip file ‘$7zipPath’ not found” } Set-Alias Start-SevenZip $7zipPath $Source = “c:\BackupFrom\backMeUp.txt” $Target = “c:\BackupFolder\backup.zip” Start-SevenZip a -mx=9 $Target $Source