
How to Turn Outlook Into a CRM (And When to Build Custom)
Outlook as CRM explained: native Contacts and Categories, the best third-party Outlook CRM add-ins, and when to build a custom Outlook add-in for sales.
13 min readRead ArticlePractical guides and technical deep-dives on Office add-in development, Apps Script, AppSource publishing, and Microsoft identity. Every post is written by the developers who build these things for a living, not a content agency.

Outlook as CRM explained: native Contacts and Categories, the best third-party Outlook CRM add-ins, and when to build a custom Outlook add-in for sales.
13 min readRead Article
Power BI PowerPoint add-in explained: install the official add-in, embed live dashboards in slides, and when to build a custom add-in for enterprise needs.
12 min readRead Article
Data analysis tools in Excel explained: enable the built-in Analysis ToolPak, install add-ins from AppSource, and know when to build a custom Excel add-in.
12 min readRead Article
Office Scripts vs VBA compared: platform support, security, AI, sharing, and developer sourcing. A practical 2026 guide to your Excel automation decision.
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Gmail add-ons explained: how they work, Workspace Marketplace vs custom builds, Apps Script basics, OAuth scopes, and when to commission a custom build.
14 min readRead Article
Office add-ins for real estate and consulting firms automate proposal generation, financial modeling, and client reporting in Excel, Word, and PowerPoint.
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Microsoft Teams apps for HR automate onboarding, leave requests, surveys, and internal communication, built with the Teams JavaScript SDK and Graph API.
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Excel add-ins for finance teams automate financial reporting, accounting reconciliation, and real-time data feeds, built with the Excel JavaScript API.
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Office add-ins for healthcare providers automate clinical documentation, patient communication, and compliance in Word, Outlook, and Excel on Microsoft 365.
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Office add-ins for law firms automate contract generation, document review, and case management inside Word, Outlook, and Excel, without leaving Microsoft 365.
6 min readRead Article
How Office add-ins are becoming the backbone of enterprise workflow automation and what that means for teams building on Microsoft 365.
5 min readRead Article
How to implement Microsoft SSO in an Office add-in using MSAL.js and Azure AD, including common token scope mistakes and how to fix them.
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A practical guide to automating Excel data workflows with Office.js, covering the JavaScript API, event handlers, and real-world automation patterns.
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Everything a developer needs to get started building Office add-ins, from setting up a manifest to deploying a task pane with Office.js.
5 min readRead ArticleSubscribers get practical Office.js and Apps Script guides whenever we publish, with code you can actually use. No marketing emails, and you can unsubscribe any time.