I will develop microsoft office excel addin plugins

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ali_sher_it_dev
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ali_sher_it_dev
Ali Sher
develop microsoft office excel addin plugins
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develop microsoft office excel addin plugins
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develop microsoft office excel addin pluginsdevelop microsoft office excel addin pluginsdevelop microsoft office excel addin plugins

About this gig

I'm a professional Excel Add-in Developer with 3+ years of experience building advanced, cross-platform solutions using Office.js and VSTO (.NET) for Windows, Mac, and Web.

I specialize in creating Excel Add-ins that automate complex calculations, connect with live APIs, and enhance spreadsheets with real-time data, smart UI, and AI-powered tools. Whether it's streamlining reports, creating custom functions, or integrating external platforms I build tools that save time and boost productivity.


Excel Add-in Expertise:

Cross-platform Excel Add-ins using Office.js

VSTO COM Add-ins for enterprise desktop apps

API Integration for real-time data import/export

Custom formulas, functions, ribbons & task panes

Report generation, dashboards & charts automation

OpenAI/ChatGPT-powered data insights & auto summaries

Microsoft Graph, SharePoint & OneDrive integration

Data validation, formatting & formula automation

Background syncing & offline handling

Clean UI, strong performance & reliability

Have an Excel Add-in idea? Let's build it message me today!

  • Expertise

    • Debugging
    • Performance
    • Security
    • Databases
    • Source control

  • Programming language

    • JavaScript

  • Platform

    • ChatGPT
    • Word
    • Excel

  • Frontend framework

    • React.js
    • AngularJS
    • Vue.js
    • Tailwind CSS
    • Other

  • Backend framework

    • Express.js
    • Node.js
    • Other

Get to know Ali Sher

Ali Sher

Office Addin,Outlook addin,Excel addin,Word Addin,Microsoft VSTO Addin

  • FromPakistan
  • Member sinceFeb 2025
  • Avg. response time1 day
  • Last delivery5 months

  • Languages

    Urdu, English, Hindi, Arabic
I'm a Full-Stack Developer & Office 365 Add-ins expert with 3+ years of experience creating Outlook Add-ins to automate emails, Excel Add-ins for API-based reports, Word Add-ins for smart templates, and PowerPoint Add-ins for dynamic slides. I build secure, cross-platform tools using Office.js & VSTO (.NET), with REST API integrations, OAuth login, Microsoft Graph, OneDrive, SharePoint, and AI (ChatGPT) features. Clean code, strong UI/UX, and reliable delivery. Let’s build your Office Add-in today!

My Portfolio

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