MS Office Addin Development
Custom add-ins for Excel, Word, Outlook and PowerPoint � built with Office.js, Azure and Microsoft Graph API.
Build Powerful Office Integrations
AsianSol has delivered 50+ Microsoft Office Add-in projects across Excel, Word, Outlook and PowerPoint. From simple task panes to complex Azure-integrated enterprise solutions.
Supported Platforms
Excel Add-in
Data manipulation, formulas, Office.js API
Word Add-in
Document generation, templates, content
Outlook Add-in
Email processing, calendar, task panes
PowerPoint Add-in
Slide automation, content management
MS Project Add-in
Project management integrations
Cross-platform
Desktop, Web & Mac Office support
Technologies
What We Deliver
- Custom Task PanesInteractive side panels that bring your data and workflows into Office apps.
- Azure Function & API IntegrationConnect your add-in to cloud backends, REST APIs and databases.
- SSO AuthenticationSecure login within Office add-ins using Azure AD, Auth0 or OKTA.
- AppSource PublishingWe handle the full Microsoft AppSource submission and publishing process.
- Automation & GenerationExcel data automation, Word document generation, email processing.
- Documentation & HandoverComplete technical docs and knowledge transfer to your team.
Engagement Options
New Build
Full add-in built from scratch � design, development, testing and deployment.
Fix & Enhance
Improve an existing add-in, fix bugs or add new features to your current solution.
AppSource Launch
End-to-end AppSource submission � manifests, validation, publishing and listing.
Ongoing Support
Post-deployment maintenance, API changes and feature additions.
Start Your Add-in Project
Free consultation. We'll scope your add-in and give you a clear plan and timeline.
Book Free CallWhy AsianSol?
Need a custom Office Add-in?
Talk to our Office.js experts. We'll scope your project and get started fast.