I will develop custom office addin, outlook, excel addin plugin with javascript API

D
dev_wizard13
D
dev_wizard13
Collins A
5.0
5.0
develop custom office addin, outlook, excel addin plugin with javascript API
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develop custom office addin, outlook, excel addin plugin with javascript API

About this gig

Hi there!


I build custom Microsoft Office add-ins with Office.js that work across Excel, Outlook, Word, and more. My goal is simple: to help you save time, cut out repetitive work, and make Office feel like it was designed just for you. I'll guide you through the process, keep you updated, and deliver a tool that truly makes your work easier.


Here's what I can create for you:

Excel add-ins with custom functions

Outlook add-ins for ready-to-use email templates, automated tasks, or CRM integrations

Cross-app solutions that connect Excel, Outlook, Word


Why clients enjoy working with me:

I create cross-platform with Office.js (Office 365 web, Windows, Mac)

Clean and well-documented codeSafe and secure integrations with you APIs

Smooth handover with setup instructions


Let's team up to build an Office add-in that works exactly how you need i

Kindly place an order directly on any gig package that suits your project preferences or simply message me for curated custom offers.


I look forward to an exciting time working with you!!!

  • Expertise

    • Debugging
    • Performance
    • Security
    • Operating systems
    • Design

  • Programming language

    • JavaScript

  • Platform

    • ChatGPT
    • Figma
    • Zapier

  • Frontend framework

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

  • Backend framework

    • Django
    • Laravel
    • Express.js
    • Node.js
    • Flask

Get to know Collins A

Collins A

Wordpress website Developer, Programming Guru, Expert Software Developer

4.8(5)
  • FromNigeria
  • Member sinceAug 2025
  • Avg. response time2 hours
  • Last delivery1 week

  • Languages

    English, Spanish
Hello, I’m Collins, your go-to programming expert on Fiverr! I specialize in building clean, efficient, and scalable solutions through web development and automation. With a strong background in coding and development, I turn complex requirements into simple, functional, and reliable applications, websites and automated solutions I design clean wordpress websites & workflow automation of all kinds while delivering projects on time and to your exact requirements. Looking for a programmer who listens, understands & delivers quality, you’re in the right place. Let’s bring your ideas to life! 🚀

My Portfolio

Reviews

2 reviews for this Gig
5.0

(2)
(0)
(0)
(0)
(0)
Rating Breakdown
  • Seller communication level
    5
  • Quality of delivery
    5
  • Value of delivery
    5
Sort By
Most relevant
  • G

    gero_xd

    Repeat Client

    AE

    United Arab Emirates

    5

    He worked great and he also talk well either customers

    Up to $50

    Price

    2 days

    Duration

    Helpful?
    Yes
    No
  • G

    gero_xd

    Repeat Client

    AE

    United Arab Emirates

    5

    He did greate and he gave me nice discount

    Up to $50

    Price

    2 days

    Duration

    Helpful?
    Yes
    No
Reviews

2 reviews for this Gig
5.0

(2)
(0)
(0)
(0)
(0)
Rating Breakdown
  • Seller communication level
    5
  • Quality of delivery
    5
  • Value of delivery
    5
Sort By
Most relevant
  • G

    gero_xd

    Repeat Client

    AE

    United Arab Emirates

    5

    He worked great and he also talk well either customers

    Up to $50

    Price

    2 days

    Duration

    Helpful?
    Yes
    No
  • G

    gero_xd

    Repeat Client

    AE

    United Arab Emirates

    5

    He did greate and he gave me nice discount

    Up to $50

    Price

    2 days

    Duration

    Helpful?
    Yes
    No

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