New Research: Supply Chain Attack on Axios Pulls Malicious Dependency from npm.Details → →
Socket
Book a DemoSign in
Socket
Book a DemoSign in

@independentsoft/msg

Package Overview
Dependencies
Maintainers
1
Versions
3
Alerts
File Explorer

Advanced tools

License
Socket logo

Install Socket

Detect and block malicious and high-risk dependencies

Install

@independentsoft/msg

Outlook .msg file module

latest
npmnpm
Version
1.0.2
Version published
Maintainers
1
Created
Source

This module allows you to easy create, read, update and parse Outlook message files.

Features

  • Create message, appointment, task, contact or any other Outlook item.
  • Read any Outlook .msg file and get all properties.
  • Set/Get MAPI properties.
  • Set/Get named properties.
  • Add attachments.
  • Read attachments.
  • Save attachments.
  • Add embedded messages.
  • Read embedded messages.
  • Save embedded messages.

###Examples

#####Create message　

import * as msg from './independentsoft/msg.js';
import * as fs from 'fs';

let recipient1 = new msg.Recipient();
recipient1.addressType = "SMTP";
recipient1.displayType = msg.DisplayType.MAIL_USER;
recipient1.objectType = msg.ObjectType.MAIL_USER;
recipient1.displayName = "John@domain.com";
recipient1.emailAddress = "John@domain.com";
recipient1.recipientType = msg.RecipientType.TO;

let recipient2 = new msg.Recipient();
recipient2.addressType = "SMTP";
recipient2.displayType = msg.DisplayType.MAIL_USER;
recipient2.objectType = msg.ObjectType.MAIL_USER;
recipient2.displayName = "Mary@domain.com";
recipient2.emailAddress = "Mary@domain.com";
recipient2.recipientType = msg.RecipientType.CC;

let message = new msg.Message();
message.subject = "Test";
message.body = "Body text";
message.displayTo = "John Smith";
message.displayCc = "Mary Smith";
message.recipients.push(recipient1);
message.recipients.push(recipient2);
message.messageFlags.push(msg.MessageFlag.UNSENT);
message.storeSupportMasks.push(msg.StoreSupportMask.CREATE);

fs.writeFileSync("e:\\message.msg", message.toBytes());

#####Create HTML message　

import * as msg from './independentsoft/msg.js';
import * as fs from 'fs';

let recipient1 = new msg.Recipient();
recipient1.addressType = "SMTP";
recipient1.displayType = msg.DisplayType.MAIL_USER;
recipient1.objectType = msg.ObjectType.MAIL_USER;
recipient1.displayName = "John@domain.com";
recipient1.emailAddress = "John@domain.com";
recipient1.recipientType = msg.RecipientType.TO;

let recipient2 = new msg.Recipient();
recipient2.addressType = "SMTP";
recipient2.displayType = msg.DisplayType.MAIL_USER;
recipient2.objectType = msg.ObjectType.MAIL_USER;
recipient2.displayName = "Mary@domain.com";
recipient2.emailAddress = "Mary@domain.com";
recipient2.recipientType = msg.RecipientType.CC;

const htmlBody = "<html><body><b>Hello World bold html text</b></body></html>"
const htmlBodyWithRtf = "{\\rtf1\\ansi\\ansicpg1252\\fromhtml1 \\htmlrtf0 " + htmlBody + "}"
const rtfBody = new TextEncoder().encode(htmlBodyWithRtf)

let message = new msg.Message();
message.subject = "Test";
message.body = "Body text";
message.displayTo = "John Smith";
message.displayCc = "Mary Smith";
message.recipients.push(recipient1);
message.recipients.push(recipient2);
message.bodyTtmlText = htmlBody
message.bodyRtf = rtfBody
message.messageFlags.push(msg.MessageFlag.UNSENT);
message.storeSupportMasks.push(msg.StoreSupportMask.CREATE);

fs.writeFileSync("e:\\message.msg", message.toBytes());

#####Read message　

import * as msg from './independentsoft/msg.js';
import * as fs from 'fs';

const buffer = fs.readFileSync('e:\\unicode.msg');
const message = new msg.Message(buffer)

console.log("Subject: " + message.subject);
console.log("Sender name: " + message.senderName);
console.log("Sender email address: " + message.senderEmailAddress);
console.log("Received by name: " + message.receivedByName);
console.log("Received by email address: " + message.receivedByEmailAddress);
console.log("Sent time: " + message.clientSubmitTime);
console.log("Received time: " + message.messageDeliveryTime);
console.log("Display to: " + message.displayTo);
console.log("Display cc: " + message.displayCc);
console.log("Body: " + message.body);

#####Add attachment　

import * as msg from './independentsoft/msg.js';
import * as fs from 'fs';

const buffer = fs.readFileSync("e:\\test.pdf");
let attachment = new msg.Attachment(buffer);
attachment.fileName = "test.pdf";
attachment.displayName = "test.pdf";

let message = new msg.Message();
message.subject = "Test";
message.body = "Body text";
message.messageFlags.push(msg.MessageFlag.UNSENT);
message.storeSupportMasks.push(msg.StoreSupportMask.CREATE);
message.attachments.push(attachment)

fs.writeFileSync("e:\\message.msg", message.toBytes());

#####Get attachments　

import * as msg from './independentsoft/msg.js';
import * as fs from 'fs';

const buffer = fs.readFileSync("e:\\message.msg");
const message = new msg.Message(buffer);

for(let i=0; i < message.attachments.length; i++) {
    const attachment = message.attachments[i];
    fs.writeFileSync("e:\\temp\\" + attachment.longFileName, attachment.toBytes());
}

#####Create appointment　

import * as msg from './independentsoft/msg.js';
import * as fs from 'fs';

let appointment = new msg.Message()
appointment.messageClass = "IPM.Appointment";
appointment.subject = "Test";
appointment.body = "Body text";
appointment.location = "My Office";
appointment.appointmentStartTime = new Date(2020,11,10,8,0,0);
appointment.appointmentEndTime = new Date(2020,11,10,10,0,0);

fs.writeFileSync("e:\\appointment.msg", appointment.toBytes());

#####Create contact　

import * as msg from './independentsoft/msg.js';
import * as fs from 'fs';

let contact = new msg.Message()
contact.messageClass = "IPM.Contact";
contact.subject = "John Smith";
contact.displayNamePrefix = "Mr.";
contact.displayName = "John Smith";
contact.givenName = "John";
contact.surname = "Smith";
contact.companyName = "Independentsoft";
contact.email1Address = "john@independentsoft.com";
contact.email1DisplayAs = "John";
contact.email1DisplayName = "John";
contact.email1Type = "SMTP";
contact.businessAddressCity = "NY";
contact.businessAddressStreet = "First Street";
contact.businessAddressCountry = "USA";
contact.businessAddress = "First Street, NY, USA";
contact.businessPhone = "555-666-777";

fs.writeFileSync("e:\\contact.msg", contact.toBytes());

Keywords

Outlook
message
msg
.msg

FAQs

Package last updated on 28 Feb 2020

Did you know?

Socket

Socket for GitHub automatically highlights issues in each pull request and monitors the health of all your open source dependencies. Discover the contents of your packages and block harmful activity before you install or update your dependencies.

Install

Related posts

Attackers Are Hunting High-Impact Node.js Maintainers in a Coordinated Social Engineering Campaign

Security News

Attackers Are Hunting High-Impact Node.js Maintainers in a Coordinated Social Engineering Campaign

Multiple high-impact npm maintainers confirm they have been targeted in the same social engineering campaign that compromised Axios.

By Sarah Gooding  -  Apr 03, 2026