Instant Messenger for your Office

One Time Payment - Lifetime License. 3 Users Free.

Office Messenger Office Messenger Office Messenger
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Improve your Team productivity with instant discussion
Interact from anywhere on any device
Trusted by 7000 Companies around the World

Instant Messenger Features

  • Output Messenger Desktop Window
    • Instant Messenger Chat
    • Instant LAN Messaging

      Communicate instantly with your colleagues, team/project leads through One-to-One chat and Group Chat securely within your LAN (Local Area Network).

    • Instant Messenger Group Chat
    • Group Chat, Custom Groups, Chat Room

      Message and transfer files to multiple users, who are in online as well as offline, at a time through groups. Especially, Chat Room keeps all chatted conversation with it.

    • Instant Messenger Video Call
    • Voice and Video Calls

      Go to the next level of communication through Video Conferencing which lets you to meet virtually face to face and collaborate in real-time.

    • Instant Messenger File Transfer
    • File Transfer

      Share files of any kind from your Desktop or anywhere in office network through Drag and Drop. File transfer can be controlled by Administrator for security purpose.

    • Instant Messenger Desktop Sharing
    • Remote Desktop Sharing

      Share your desktop or selective window with your colleagues securely in real-time to install, configure an application or replicate an issue that doesn’t occur on other end.

    • Instant Messenger Multi Device Support
    • Multi Device Support

      Output LAN Messenger is accessible on multiple devices like Windows, Linux, Mac, Android, iPhone, iPad and directly on your web browsers.

Access Instant Messenger from Anywhere
  • On-premise server to keep sensitive business data close to the source.
  • Works within Office LAN / WAN / VPN, Multiple Sub networks, Terminal Service and Internet.
  • SSL/TLS enabled secure & encrypted messages, suitable for banking and government sectors.
  • Only authenticated users can connect with your office messenger network.
  • Reminder supports you to set reminders for yourself or your associates about tasks.
  • Notes lets you to create, personalize and share your notes with your colleagues.
  • View log offers fully-featured Chat History with searching and filters.
  • You can access this interoffice chat software from anywhere on any device.

Further Features…

Off-the-Record Messaging

OTR (Off-the-Record) Messaging

For confidential management messages, which should not be logged.

Live Chat Instant Messenger

Live Chat

Chat with your customers/website visitors in real time and provide instant support.

Output Wall - Private Social Network

Private Social Network

Social Network to connect, share, engage and collaborate across your organization.

Acknowledgement Messages

Acknowledgement Messages

Get receipt from your recipient, to make sure your message gets noticed.


Screen Clipper

Capture your desktop screen, edit and share instantly with your coworkers.


Server-less Communication

Get smooth and unbroken communication, even though the Server is in off-line.

Read Notification

Read Notifications

Know the status of your messages with delivered & read indicators.

Push Notification

Push Notification

Get notified instantly on new messages at mobile, even you closed the app.

Sticky Notes

Sticky Notes

Organize the tasks, important events and to-do lists as Sticky Notes on your desktop.

Lan Messenger Network Status

Network Status

Discover your team members location from their connected Network.


Spell Checker

Ensure accuracy by sending quick, exact messages clearly and confidently.



Send messages and convey your feelings with advanced colorful collection of emoticons.


Active Directory (LDAP) Support

Import user accounts from a global catalog and create local users on server.

Communication Restriction

Communication Restriction

Administrator can restrict the communication among specific users and groups.

Advanced Encryption

Advanced Encryption

Industry standard SSL and TLS protect your conversation from outside network.


Sync across devices

Sync instant messages across all your devices with same login account.


Browser Support

Chat with your team mates directly from all your browsers conveniently.


API / Addon

Integrate with your favorite apps easily through the standard API/Addon.

From 2004, regularly updating Team Chat software for our delightful customers

Fantastic Instant Chat

Output Messenger is fantastic. Way superior to Omessenger. As a customer I say you guys rock!!!

Rudolph W Smith
AT&T Product/Service

Great messenger for office communications

Traditional instant messengers are not the best solution for communicating with co-workers in a large office building. Besides the fact that anyone from … Read more "Great messenger for office communications"

Frederick Barton

Great tool for Team Communication

I would like you to know that your software has been a great tool we use every day in our company. Thanks!

Doug Gabbett
Loretto Telephone Co

Excellent Product

One of the excellent products that we have seen in the recent years. OM (as we call it internally at NTrust) has brought … Read more "Excellent Product"

Suresh Subramaniam, Vice President – Development & Operations
NTrust Infotech.
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Lan Messenger
Lan Messenger