Update content type of files in folder with system update

Summary

Update content type with system update option for all files in a folder within a library to a custom content type to avoid updating modified and modified by properties.

Implementation

• Open Windows PowerShell ISE
• Create a new file
• Copy a script below

• PnP PowerShell

#Config Variables
$SiteURL = "https://tenant.sharepoint.com/sites/Estimator"
$ListName = "Documents" 
$FolderServerRelativePath= "/sites/Estimator/Shared Documents/LineManagement"
$NewContentType = "Legal"

Connect-PnPOnline -url $SiteURL  -Interactive
 
Try {

  #Get all files from folder
   Get-PnPListItem -List $ListName -PageSize 2000 | Where {$_.FieldValues.FileRef -like "$FolderServerRelativePath*" -and $_.FileSystemObjectType -eq "File"  } | ForEach-Object {
    Write-host $_.FieldValues.FileRef
   Set-PnPListItem -UpdateType SystemUpdate -List  $ListName -ContentType $NewContentType -Identity $_
  }
}
catch {
    write-host "Error: $($_.Exception.Message)" -foregroundcolor Red
}

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Contributors

Author(s)
Reshmee Auckloo

Disclaimer

THESE SAMPLES ARE PROVIDED AS IS WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING ANY IMPLIED WARRANTIES OF FITNESS FOR A PARTICULAR PURPOSE, MERCHANTABILITY, OR NON-INFRINGEMENT.