try {. $PSScriptRoot\..\..\LoadPSD1.ps1} catch {} $xlfile = "$env:temp\testFmt.xlsx" Remove-Item $xlfile -ErrorAction Ignore $RandomStyle = { param( $workSheet, $totalRows, $lastColumn ) 2..$totalRows | ForEach-Object{ Set-CellStyle $workSheet $_ $LastColumn Solid (Write-Output LightGreen Gray Red|Get-Random) } } Get-Process | Select-Object Company,Handles,PM, NPM| Export-Excel $xlfile -Show -AutoSize -CellStyleSB $RandomStyle