Magebytes

Custom Office Add-Ins

Microsoft 365 Development Services

Custom add-ins and integrations across Outlook, Excel, Word, and SharePoint Online — powered by Microsoft Graph, so your business logic lives inside the tools your team already uses daily.

Add-Ins
Outlook · Excel
Graph API
Integrations

Platform Expertise

Microsoft Collaboration Platforms We Work With

What We Do

Microsoft 365 Capabilities

Leverage our deep technical expertise to bring your business logic into the Office apps your team already uses.

Outlook Add-ins

Custom Outlook add-ins that surface data and actions directly inside email and calendar workflows.

Excel & Word Add-ins

Task panes and custom functions that bring your business data and logic into documents and spreadsheets.

SharePoint Framework Extensions

SPFx web parts and extensions that customize and extend SharePoint Online.

Microsoft Graph API Integration

Unified access to mail, calendar, files, and directory data across the Microsoft 365 ecosystem.

Solutions

Solutions We Deliver

Real Microsoft 365 add-ins and integrations we build — from Outlook workflows to AppSource-published products.

Custom Office Add-In Development

Purpose-built add-ins for the specific workflows your team runs inside Office apps every day.

Microsoft Graph-Powered Integrations

Connecting Microsoft 365 data to your CRM, ERP, or internal systems through Graph API.

SharePoint Online Customization

Custom SharePoint sites, web parts, and workflows tailored to how your teams actually operate.

AppSource Publishing

Packaging and publishing add-ins to Microsoft AppSource for broader distribution.

Technical team collaborating on digital solutions

Why Choose Us

Built Into the Apps Your Team Already Lives In

Most internal tools require people to leave Outlook, Excel, or Word to get anything done. We build add-ins that bring your business logic directly into those apps instead.

Business Logic Where Work Happens

Add-ins put your tools inside Outlook, Excel, and Word instead of a separate portal people forget to open.

One API for the Whole Ecosystem

Microsoft Graph gives us a single, consistent way to connect mail, files, and directory data across Microsoft 365.

24/7 Support & Maintenance

Continuous monitoring to keep add-ins and integrations reliable as Microsoft 365 updates.

Industries We Serve

Domain-specific experience, not generic templates.

GET A QUOTE

Ready to build for Microsoft 365?

Schedule a consultation with our Microsoft 365 specialists and discover how we can help your business scale.

Outlook, Excel, Word & SharePoint add-in expertise
Response within one business day
No-obligation project scoping
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Got Questions?

Microsoft 365 FAQs

An Outlook add-in can surface CRM data or automate replies from inside an email; an Excel add-in can add custom functions or a task pane pulling live data; a Word add-in can generate documents from templates — all running inside the Office app itself.