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Office 365 Add-in Development

(Escalate your business growth with our superb plug-in integrations)

Office 365 Add-in development

What is Office 365 Add-in?

Microsoft Office 365 Add-ins are simply installed features that extend the basic capabilities of Office applications. These plugins are intentionally installed to activate additional functionalities that make work easier.

Office Addins help you to develop documents, generate graphic visuals, streamline information access, etc. effortlessly. This Microsoft platform has great potential to do much more than just creating documents, spreadsheets, and presentations in record time. Using Addins, you can efficiently work with web technologies such as JavaScript, HTML, and CSS, and enhance seamless functionalities.

Further, you can also deploy plugins accessible to multiple users by using the Centralized Deployment feature of Microsoft 365.

Key highlights

(Transfigure your business with our industry-best plugin solutions)

  • Microsoft Certified Solutions Partner
  • Over 400 Office Add-ins delivered
  • Helped more than 10000 business users
  • Powered by certified SCRUM masters
  • Empowered over 50 startups
  • More than 15 industries benefited
  • ISO 9001:2015 backed Agile processes
  • Certified Microsoft professionals
  • Quality and on-time project delivery
  • More than 120 happy clients worldwide

Our Technical proficiency

iFour Technolab is recognized as the best office 365 Add in development company in USA. It has diligent Microsoft professionals who build feature-packed solutions for global clients using an updated technology stack.

Here’s a look at the technologies we use

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

Our aim is to deliver long-term value to businesses with Microsoft Office 365 plugin development services. Connect with us and get rid of your business complexities using our simplified and sustainable solutions.

Our services

(Unlock your business potential with our exceptional Add-in development services)

iFour Technolab Pvt. Ltd. is a reliable Microsoft Office 365 Add-in development company focused on offering the most promising software solutions to global clients. We build flawless plugin solutions for various Microsoft platforms and use custom functionalities to simplify business workflows.

We are a Microsoft Certified Solutions Partner with demonstrated experience in Microsoft technologies and hold a stellar track record for serving multiple industries with successful software projects.

iFour Technolab has gained remarkable traction in the software market. It has delivered over - 100 Excel Add-ins, 150 Outlook Add-ins, 100 PowerPoint Add-ins, and 100 Word plugins - to various industrial domains and fulfilled their specific requirements.

Our tremendously experienced developers can help you with pioneering office Addin development services to get better user experience and procure C-suite goals faster.

We can build the following kind of functionalities for your Office platforms

  • Plugin to automate formatting
  • Add-in to create schedules and charts
  • QR code extension
  • HTML5 extension
  • Plugins for data analytics
  • PDF converter extension
  • Custom signature integration
  • GoToMeeting plug-in solutions
  • Custom email marketer plug-in
  • Language translator-based Add-in
  • Addin to check plagiarism and many more
Office 365 Add-in development services
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Get the perfect Office Addins developed for your needs

  • Microsoft Certified Solutions Partner

    As a Microsoft Certified Solutions Partner and an ISO 9001:2015 certified software development firm, we are vigilant about data security and IP protection. We focus on delivering result-oriented solutions that are tailored to suit your business requirements.

  • Pioneer in Office 365 Addin development

    With our top-quality Office plug-in development services, we have benefited more than 10000 business users, delivered over 400 custom Office Add-ins for various industrial clients, and helped over 50 start-ups to broaden their horizons in the IT market.

  • Quality and on-time project delivery

    iFour employs Agile methodologies for software project development and delivers it on time. We have an amazing team of Quality Analysts who follow ISO 9001:2015 standards and procedures to ensure software quality compliance of the project.

  • Microsoft certified professionals

    iFour Technolab is an inclusive hub of Microsoft professionals with years of experience in crafting tailored plugin solutions for various Microsoft platforms. Our customized solutions would help you achieve your business objectives faster.



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Our Agile approach

agile approach

Project Sign-off


Office 365 Add in Case Study

Since its inception, iFour team have left no stone unturned in offering the finest custom software services possible, earning a strong reputation in the IT market.

Our experts have assisted various industrial clients and helped them with unique Addin development solutions suited to their specific business needs

Contact us now to hire .NET Core developers, Angular developers, other diligent experts and get your complex needs done.


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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Environment Environment


Custom Environmental software development services

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Fleet Fleet


Custom Fleet software services provider

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Logistics Logistics

Transportation And Logistics

Custom Logistics software development services

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Retail Retail


e-Commerce and Retail software solutions provider

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Construction Construction


Bespoke Construction software development company

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Have a project idea?

Let's make it



  • Rasmussen College

  • BestCompany

  • Hackernoon

  • b.

  • Databox

  • JotForm

  • CloudWays

  • Solution Suggest

  • OutwitTrade

Our clients speak

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

FAQs for Office 365 Addin development services

iFour Technolab is a Microsoft Certified Solutions Partner having experienced, vetted, and certified professionals. We have served over 15 industries with Office 365 Add-in development services and assisted more than 50 startups. We believe in offering high-quality services on time adhering to strict privacy.

The essential benefits of Office 365 Add-ins are

  • Improved work experience
  • Seamless accessibility for sources
  • Better interactivity
  • Cross-platform support
  • Inventive features with fine scalability
  • Centralized deployment support
  • Engaging content with captivating visuals
  • Easy to convert and share content
  • Better efficiency and productivity
  • Time saving and many more

Businesses can seamlessly improve their commercial tasks using Office 365 Addins. The added features would help businesses to create amazing documentation, eye-catching presentations, enormous data calculations, streamline processes, manage thousands of emails simultaneously all at a single platform.

Given below is our hiring process

  • Requirements gathering
  • Sharing CV of our resources
  • Shortlisting developers
  • Contract agreement and payment process
  • Team introduction and project-based discussion
  • Setting up the work environment
  • Project begins

For more details, connect us from our website.

Usually, it takes 2-7 days to start the project after completion of the contractual and agreement process.

Our experts follow the Agile process for project development and quickly respond to changing requirements.

Our experts make use of Github and Bitbucket to manage project source code. We check every pull request properly before its approval.

Our experts are bound by company policies and take indispensable measures to enhance project security. In addition, we make every professional sign NDA (Non-Disclosure Agreement) for project security.

Yes, we offer 90-120 days of warranty based on your project requirements such as type, size, recommended features, etc.

Stimulate your business with Office 365 Addin development solutions

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