Microsoft Office Add-In Developer
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Building Custom PowerPoint Add-Ins for Enterprise Presentations
PowerPoint is the universal language of business communication. Financial results, strategic plans, client proposals, pr...
EWS to Microsoft Graph: The API Migration Every Outlook Add-In Developer Must Complete by October 2026
Microsoft has confirmed that Exchange Web Services will cease to accept connections from Outlook add-ins on 1 October 20...
The VSTO Migration Countdown: Your 60-Day Implementation Guide for April 2026
The April 2026 VSTO migration deadline is no longer a future concern. For enterprise development teams that have not yet...
Microsoft 365 Extensibility in 2026: From Office Add-Ins to Intelligent Agents
The landscape of Microsoft 365 extensibility has changed more in the second half of 2025 than in any comparable period s...
Building Microsoft 365 Copilot Agents with MCP: A Developer's Guide to Artificial Intelligence
In December 2025, Microsoft announced that Microsoft 365 Copilot declarative agents now support the Model Context Protoc...
Ignite 2025: What the Office Add-In Announcements Mean for Enterprise Developers
Microsoft Ignite 2025 has delivered the most significant set of announcements for Office extensibility since the introdu...
Custom Excel Add-In Development: Building Spreadsheet Solutions That Scale
Excel remains the most widely used business application in the world. From financial modelling and supply chain planning...
Event-Based Office Add-In Activation: Automating Document Workflows
The traditional model for Microsoft Office add-ins has always been reactive. A user clicks a button, opens a task pane,...
Integrating Copilot Agents with Office Add-In: What Developers Need to Know
Microsoft Build 2025 delivered what is arguably the most significant shift in the Office add-in development model since...
Migrating Your VSTO Outlook Add-Ins Before April 2026
Microsoft has set a hard deadline. By April 2026, the new Outlook for Windows will become the default mail client for en...
What Are Microsoft Office Add-Ins?
What Are Microsoft Office Add-Ins? Microsoft Office Add-Ins come in three ...
Enhancing Legal Software Development with Custom Word Add-Ins
Explore more about how you can streamline legal software development with custom Word add-ins. Reach out to us for custo...
Developing Custom Microsoft Outlook Add-Ins to Integrate with CRM Systems
Explore how to develop custom Microsoft Outlook add-ins to integrate with CRM systems and how McKenna Consultants can he...
Building an MS Outlook Add-In: Part Three - Testing and Approval
Learn about testing and approval regarding building an MS Outlook add-in. Contact us to discuss your Microsoft needs.
Building an MS Outlook Add-In: Part Two - Building an Add-In with the Microsoft Graph API
Learn about building an MS Outlook add-in. If you need help with your Outlook add-in and CRM integration project, please...
Enhancing CRM Integration: Building an MS Outlook Add-In with the Microsoft Graph API
Discover more about building an MS Outlook Add-In with the Microsoft Graph API. Contact McKenna to discuss this in more...
Using MVPs in Software Development
An MVP is a piece of software with just enough features to function. In software development, MVPs are great for idea va...
What Are Microsoft Outlook Add-Ins and How Do They Work?
Discover our easy how-to guide on Microsoft Outlook Add-Ins and how they work, as they can be complexed to implement. Ex...
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