What’s New in ASP.NET Core 10 – Key Features & Expert Insights
We tracked the evolution of .NET 9 on Reddit, and watched the heated debates on .NET 6 vs .NET 8. And just when we thought that things had finally settled, Microsoft drops another...
Years of Technology Experience
Success Ratio
Creative nerds under one Roof
Projects Delivered

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.
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
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.
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
iFour Technolab is counted among the top custom software development companies in USA that aims to deliver next-gen software solutions to its clients. Over the years we have been developing successful projects for various industries using different kinds of technologies. We have helped more than 50 startups and explored their hidden potential with innovative software solutions.
With their expertise in the field and complete awareness of development pitfalls, our Microsoft experts can develop faultless office plugins to simplify your efforts and continue to be an extended arm of your team.
Now, businesses do not need to set aside time for email, documentation, presentations, data storage, performing complex calculations, correcting errors, etc. With seamlessly customized plugins, all these problems can be solved in a few clicks. Thus, businesses can improve their efficiency and productivity.
Reach us out to hire microsoft Office Add-ins developers and transform your business complexities into simplified and sustainable solutions.
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.
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.
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.
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.











![]()





Project Sign-off
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.















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
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
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.
We tracked the evolution of .NET 9 on Reddit, and watched the heated debates on .NET 6 vs .NET 8. And just when we thought that things had finally settled, Microsoft drops another...
Several experts, particularly those just starting out, often find themselves confused about WPF and UWP, wondering if they are the same. Since they are used to create great UIs for...
Many companies rely on advanced technologies to make informed decisions in their business. For instance, some Chief Technology Officers (CTOs) turn to Power BI consulting services,...