In C# CSOM How to Delete Folders Recursively, Sub-Folders, Files in SharePoint Online Document Library

In this article we will see how to delete Root folder, sub-folders, files in SharePoint Document Library. Here I have given snippet by hardcoding (not recommended) one folder name "TestFolder1". However you can use loop statement and iterate list of root folder names. var clientContext = GetClientContextWithAccessToken(siteUrl, accessToken); Web web = clientContext.Web; clientContext.Load(web); clientContext.ExecuteQuery(); //Here you can add for loop with list of root folder names and iterate //Start of for loop string folderPath = "/sites/contoso5/LibraryName/ TestFolder1 "; //Pass the folder name dynamically Folder folder = clientContext.Web.GetFolderByServerRelativeUrl(folderPath); clientContext.Load(folder, folderitem => folderitem.Properties, folderitem => folderitem.Name, folderitem => folderitem.Files); clientContext.ExecuteQuery(); DeleteFolderRecursive(folder); //Call method to delete subfolders and files. folder.DeleteObject(); clientContext.E...