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Outlook Add-in Development

(Improve your operational experience with excellent plug-in integrations)

Outlook Add-in development

What is Outlook Add-in?

Outlook Add-in is a software program that helps you enhance functionalities with a limited set of features running inside Microsoft Outlook. These plug-ins are intentionally installed to activate interesting functionalities while composing an email or viewing it.

Microsoft Outlook is an incredible platform that comes with hundreds of pre-installed plug ins; however, most of them are inactive by default. The best part about Microsoft is that it seamlessly allows developers to build customized Add-ins for its products, for example, the Save As PDF extension, Custom signature integration, etc. Some of its items that support plugins are appointments, meeting requests, responses, cancellations, email messages, and many more.

Key highlights

(Take-off with iFour)

  • Over 150 Outlook Addins delivered
  • Helped more than 10000 business users
  • Empowered over 50 startups
  • More than 15 industries benefited
  • Microsoft Certified Solutions Partner
  • Certified Microsoft professionals
  • ISO 9001:2015 backed Agile processes
  • Powered by certified SCRUM masters
  • Quality and on-time project delivery
  • More than 120 happy clients worldwide

Our technology stacks

As a reliable Outlook Add-in development company in USA, iFour Technolab offers stable and sustainable plugin solutions that work towards helping you achieve your business goals. Our Microsoft technology experts employ an updated technology stack to develop flawless extensions for various Microsoft platforms. Some of the technologies include

  • VSTO (Visual Studio Tools for Office)
  • WPF (Windows Presentation Foundation)
  • JavaScript
  • C#
  • Angular

iFour aims to deliver lasting value to businesses through superior business intelligence and key customer insights. Connect with us and access an optimum personalized experience with next-gen technologies.

Our services

(Increase your business efficiency with
exceptional software services)

iFour Technolab Pvt. Ltd. is a well-regarded Outlook Addin development company that seamlessly integrates plugins with customized features and uses enhanced functionalities for your Microsoft platform.

We provide polished and key-ready software solutions that are customized to simplify your business activities. Having been in the field for years, our technology team is fully aware of related problems and will find the most feasible solutions to develop your extensions.

Based on your platform capabilities, we can help you with impeccable Add-ins that can be devised as companion software for your applications like Signature apps, Security apps, etc.

As an outstanding Microsoft Certified Solutions Partner, we have a wide set of clients across various domain verticals. Our pioneering plugin services would help you achieve C-suite goals faster with an improved email experience. Here are some examples of our Microsoft Outlook Add-in development services

  • Custom email marketer plug-in
  • Microsoft SMS for mobile
  • Custom signature integration
  • Save as PDF Add-in development
  • Grammarly and translator extension solutions
  • Duplicate email remover extension
  • Incoming email organizer
  • Map extensions
  • GoToMeeting plug-in solutions
  • MailWasher plug-in development
  • Other third-party integration services
  • Maintenance services and many more
Outlook Add-in development services
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Get the perfect Outlook Addin designed for your needs

  • Microsoft Certified Solutions Partner

    As a leading Microsoft Certified Solutions Partner and an ISO 9001:2015 certified software firm, we regard security as high priority. Our primary focus is to deliver customer-centric solutions and procure the best quality results for our clients’ business.

  • Pioneer in Addin development

    We have fuelled more than 50 start-ups with top-quality services, delivered more than 150 plugins for different industry verticals, and helped over 10000 business users with excellent plug-in development solutions to foster their commercial operations.

  • Quality and on-time project delivery

    iFour Technolab follows the Agile approach of project development for on-time project delivery. Also, our meticulous team of Quality Analysts follows ISO 9001:2015 standards to ensure software quality compliance of the project.

  • Microsoft certified professionals

    As a notable Microsoft Outlook plugin development company in USA, we have highly-skilled Microsoft Certified professionals in different platforms who are capable of developing plug-ins according to your functional needs.

    Looking to customize your existing add-ins? Write to us and share your requirements. Our skillful web developers will ensure these are fulfilled.



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Our Agile approach

agile approach

Project Sign-off


Outlook Add-in case study

Our Microsoft experts have worked with clients from diverse industries to provide custom Addin development solutions that are suited to their precise needs. Take a look at some of our previous projects.

Since its inception, iFour Technolab and its staff have worked tirelessly to provide the best bespoke software development services available, gaining a stellar reputation in the IT industry.

Connect with us now to hire .NET developers, Angular developers, and other skilled professionals to manage your challenging requirements.


Portfolio Success stories


Industry expertise

Aviation Aviation


Custom Aviation software development company

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Healthcare Healthcare


Bespoke Healthcare software services and solutions

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Finance Finance


Custom Financial software development service provider

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Legal Legal


Bespoke Legal software development service provider

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Hospitality Hospitality


Hospitality software development services provider

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Education Education


Bespoke Educational software development company

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Fleet Fleet


Custom Fleet software services provider

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Environment Environment


Custom Environmental software development services

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Logistics Logistics

Transportation And Logistics

Custom Logistics software development services

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Construction Construction


Bespoke Construction software development company

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Retail Retail


e-Commerce and Retail software solutions provider

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Have a project idea?

Let's make it



  • Databox

  • b.

  • Hackernoon

  • Rasmussen College

  • BestCompany

  • CMS Wire

  • CloudWays

  • Solution Suggest

  • OutwitTrade

Our clients speak

iFour Testimony - Matthew Bellgrove
iFour Testimony - John Schenk
iFour Testimony - Darren Fisher
iFour Testimony - Jeroen Van Megchelen
iFour Testimony - Jan Entjes
iFour Testimony - Carlos Hernandez
iFour Testimony - Gavin Kretzschmar
iFour Testimony - David Stewart
iFour Testimony - Jan Marteen Kops
iFour Testimony - Tim Grant
iFour Testimony - Michael

FAQs for Outlook Addin development services

iFour Technolab is a Microsoft Certified Solutions Partner having experienced, vetted, and certified professionals. We have extensive market experience and believe in offering flawless Outlook Add-in development services to clients on time adhering to strict data security.

Given below is our hiring process -

  • Requirements walkthrough meeting
  • Sharing CV of our resources
  • Shortlisting developers
  • Contract agreement and payment process
  • Team introducing and project-based discussion
  • Work environment setup
  • Project begins

For more details, connect us from our website.

Outlook Addins play a critical role in optimizing complex activities. It can increase capabilities of an application, and automate tasks while creating or viewing the emails.

You would acquire the following benefits with Outlook Add-ins –

  • Improved email experience
  • Simplified business operations
  • Scalability and flexibility
  • Data privacy and easy integration
  • Enhanced efficiency and productivity
  • Time-saving

Our experts follow Agile methodology for software project development to quickly adapt to changing requirements.

Our experts have more than 4 years of experience in the field and can build incredible solutions for your requirements.

Our experts use popular tools such as Slack, Gmail, Skype, GoToMeeting, and Microsoft Teams for the communication process.

Yes, these add-ins are completely safe to use as they have limited capabilities to harm applications and OS because of the plugin runtime environment. However, you need to be careful while allowing access to the Add-ins.

Open App settings in Outlook 365, and choose selectMail option. This will directly take you to the Options pane where you have to select General Manage Add-ins. Here, you can seamlessly manage your Add-ins.

Yes, we offer 90-120 days of warranty based on the type, size, recommended features, and functionalities of your Outlook Add-in development project.

Accelerate your business operations with Bespoke Addin development solutions

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