Welcome to Office 365 APIs | Microsoft Docs
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Office 365 APIs

This site contains the documentation for Office 365 REST APIs exposed on the OneNote and Outlook endpoints. The documentation is no longer actively updated. It is here for your reference, in case you have already included any of the API in your project.

Office 365 services, such as OneNote, Outlook, Excel, OneDrive, Microsoft Teams, Planner, and SharePoint, are now exposed in Microsoft Graph. Microsoft Graph is a unified API endpoint for accessing data across Microsoft 365, which includes Office 365, Enterprise Mobility, and Security and Windows services. It provides a simplified developer experience, with one endpoint and a single authentication token that gives your app access to data across all these services.

Our recommendation:

  • If you are starting a new app, please use Microsoft Graph.
  • If you are maintaining an existing project, use this documentation set for reference. In addition, plan your move to the latest APIs in Microsoft Graph to take advantage of all the new functionality and innovation there.
  • If you are adding new functionality to an existing project, integrate that new functionality by using Microsoft Graph.

With Microsoft Graph, you can access Office 365 data and more, from solutions across mobile, web, and desktop platforms. So whether you're building web applications by using .NET, PHP, Java, Python, or Ruby on Rails, or creating apps for the Universal Windows Platform (UWP), iOS, Android, or on another device platform, it's your choice.

In this section

VSTO VBA Interop Sample

This sample demonstrates how to call a method in a document-level customization for Microsoft Office Excel from Visual Basic for Applications (VBA) code in the workbook.

 
 
 
 
 
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C#
VB.NET
//------------------------------------------------------------------------------
// <auto-generated>
//     This code was generated by a tool.
//     Runtime Version:4.0.30128.1
//
//     Changes to this file may cause incorrect behavior and will be lost if
//     the code is regenerated.
// </auto-generated>
//------------------------------------------------------------------------------

#pragma warning disable 414
namespace NorthwindEmployees {
    
    
    /// 
    [Microsoft.VisualStudio.Tools.Applications.Runtime.StartupObjectAttribute(3)]
    [global::System.Security.Permissions.PermissionSetAttribute(global::System.Security.Permissions.SecurityAction.Demand, Name="FullTrust")]
    public sealed partial class Sheet3 : Microsoft.Office.Tools.Excel.Worksheet {
        
        [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Tools.Office.ProgrammingModel.dll", "10.0.0.0")]
        private global::System.Object missing = global::System.Type.Missing;
        
        /// 
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
        [global::System.ComponentModel.EditorBrowsableAttribute(global::System.ComponentModel.EditorBrowsableState.Never)]
        public Sheet3() : 
                base("Sheet3", "Sheet3") {
        }
        
        /// 
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
        [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Tools.Office.ProgrammingModel.dll", "10.0.0.0")]
        [global::System.ComponentModel.EditorBrowsableAttribute(global::System.ComponentModel.EditorBrowsableState.Never)]
        protected override void Initialize() {
            base.Initialize();
            Globals.Sheet3 = this;
            global::System.Windows.Forms.Application.EnableVisualStyles();
            this.InitializeCachedData();
            this.InitializeControls();
            this.InitializeComponents();
            this.InitializeData();
        }
        
        /// 
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
        [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Tools.Office.ProgrammingModel.dll", "10.0.0.0")]
        [global::System.ComponentModel.EditorBrowsableAttribute(global::System.ComponentModel.EditorBrowsableState.Never)]
        protected override void FinishInitialization() {
            this.InternalStartup();
            this.OnStartup();
        }
        
        /// 
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
        [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Tools.Office.ProgrammingModel.dll", "10.0.0.0")]
        [global::System.ComponentModel.EditorBrowsableAttribute(global::System.ComponentModel.EditorBrowsableState.Never)]
        protected override void InitializeDataBindings() {
            this.BeginInitialization();
            this.BindToData();
            this.EndInitialization();
        }
        
        /// 
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
        [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Tools.Office.ProgrammingModel.dll", "10.0.0.0")]
        [global::System.ComponentModel.EditorBrowsableAttribute(global::System.ComponentModel.EditorBrowsableState.Never)]
        private void InitializeCachedData() {
            if ((this.DataHost == null)) {
                return;
            }
            if (this.DataHost.IsCacheInitialized) {
                this.DataHost.FillCachedData(this);
            }
        }
        
        /// 
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
        [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Tools.Office.ProgrammingModel.dll", "10.0.0.0")]
        [global::System.ComponentModel.EditorBrowsableAttribute(global::System.ComponentModel.EditorBrowsableState.Never)]
        private void InitializeData() {
        }
        
        /// 
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
        [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Tools.Office.ProgrammingModel.dll", "10.0.0.0")]
        [global::System.ComponentModel.EditorBrowsableAttribute(global::System.ComponentModel.EditorBrowsableState.Never)]
        private void BindToData() {
        }
        
        /// 
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
        [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Tools.Office.ProgrammingModel.dll", "10.0.0.0")]
        [global::System.ComponentModel.EditorBrowsableAttribute(global::System.ComponentModel.EditorBrowsableState.Advanced)]
        private void StartCaching(string MemberName) {
            this.DataHost.StartCaching(this, MemberName);
        }
        
        /// 
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
        [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Tools.Office.ProgrammingModel.dll", "10.0.0.0")]
        [global::System.ComponentModel.EditorBrowsableAttribute(global::System.ComponentModel.EditorBrowsableState.Advanced)]
        private void StopCaching(string MemberName) {
            this.DataHost.StopCaching(this, MemberName);
        }
        
        /// 
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
        [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Tools.Office.ProgrammingModel.dll", "10.0.0.0")]
        [global::System.ComponentModel.EditorBrowsableAttribute(global::System.ComponentModel.EditorBrowsableState.Advanced)]
        private bool IsCached(string MemberName) {
            return this.DataHost.IsCached(this, MemberName);
        }
        
        /// 
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
        [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Tools.Office.ProgrammingModel.dll", "10.0.0.0")]
        [global::System.ComponentModel.EditorBrowsableAttribute(global::System.ComponentModel.EditorBrowsableState.Never)]
        private void BeginInitialization() {
            this.BeginInit();
        }
        
        /// 
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
        [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Tools.Office.ProgrammingModel.dll", "10.0.0.0")]
        [global::System.ComponentModel.EditorBrowsableAttribute(global::System.ComponentModel.EditorBrowsableState.Never)]
        private void EndInitialization() {
            this.EndInit();
        }
        
        /// 
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
        [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Tools.Office.ProgrammingModel.dll", "10.0.0.0")]
        [global::System.ComponentModel.EditorBrowsableAttribute(global::System.ComponentModel.EditorBrowsableState.Never)]
        private void InitializeControls() {
        }
        
        /// 
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
        [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Tools.Office.ProgrammingModel.dll", "10.0.0.0")]
        [global::System.ComponentModel.EditorBrowsableAttribute(global::System.ComponentModel.EditorBrowsableState.Never)]
        private void InitializeComponents() {
        }
        
        /// 
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
        [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Tools.Office.ProgrammingModel.dll", "10.0.0.0")]
        [global::System.ComponentModel.EditorBrowsableAttribute(global::System.ComponentModel.EditorBrowsableState.Advanced)]
        private bool NeedsFill(string MemberName) {
            return this.DataHost.NeedsFill(this, MemberName);
        }
    }
    
    internal sealed partial class Globals {
        
        private static Sheet3 _Sheet3;
        
        internal static Sheet3 Sheet3 {
            get {
                return _Sheet3;
            }
            set {
                if ((_Sheet3 == null)) {
                    _Sheet3 = value;
                }
                else {
                    throw new System.NotSupportedException();
                }
            }
        }
    }
}
Welcome to Office 365 APIs | Microsoft Docs
Skip to main content

Office 365 APIs

This site contains the documentation for Office 365 REST APIs exposed on the OneNote and Outlook endpoints. The documentation is no longer actively updated. It is here for your reference, in case you have already included any of the API in your project.

Office 365 services, such as OneNote, Outlook, Excel, OneDrive, Microsoft Teams, Planner, and SharePoint, are now exposed in Microsoft Graph. Microsoft Graph is a unified API endpoint for accessing data across Microsoft 365, which includes Office 365, Enterprise Mobility, and Security and Windows services. It provides a simplified developer experience, with one endpoint and a single authentication token that gives your app access to data across all these services.

Our recommendation:

  • If you are starting a new app, please use Microsoft Graph.
  • If you are maintaining an existing project, use this documentation set for reference. In addition, plan your move to the latest APIs in Microsoft Graph to take advantage of all the new functionality and innovation there.
  • If you are adding new functionality to an existing project, integrate that new functionality by using Microsoft Graph.

With Microsoft Graph, you can access Office 365 data and more, from solutions across mobile, web, and desktop platforms. So whether you're building web applications by using .NET, PHP, Java, Python, or Ruby on Rails, or creating apps for the Universal Windows Platform (UWP), iOS, Android, or on another device platform, it's your choice.

In this section