Create folders in Office 365 SharePoint Document Library C#

The code snippet showing you how you create folder in Office 365 SharePoint Document Library C#.

The code snippet below creates 2 folders, Floder1 and Floder2 in a Document Library name Documents.

static void Main(string[] args)


string siteUrl = “”;

ClientContext clientContext = new ClientContext(siteUrl);

SecureString securePassword = Login.GetPassword();

clientContext.Credentials = new SharePointOnlineCredentials(“”, securePassword);

Web rootWeb = clientContext.Web;

//Get List

var query = clientContext.LoadQuery(rootWeb.Lists.Where(p => p.Title == “Documents”));


List list = query.FirstOrDefault();

string[] namesArray = new string[] { “Folder1”, “Folder2” };

foreach (string name in namesArray)


//Add Folder

var folders = list.RootFolder.Folders;



var newFolder = folders.Add(name);



//Execute request



About the Author:    Ming Man Chan explains Create folders in Office 365 SharePoint Document Library C#


Ming Man is Microsoft MVP since year 2006. He is a software development manager for a multinational company.  With 25 years of experience in the IT field, he has developed system using Clipper, COBOL, VB5, VB6, VB.NET, Java and C #. He has been using Visual Studio (.NET) since the Beta back in year 2000.  He and the team have developed many projects using .NET platform supporting different key functional areas in the organizations such as engineering, sales, and marketing. He is familiar with the architecture  design of business application and is also an expert with database experience in MS SQL, Oracle and AS 400. He is familiar Application Life Cycle  Management using the Agile and CMMI methodology.
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