My Email Development Substack
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Getting an LLM to correctly write Microsoft Graph code for Exchange Online that uses singleValueExtendedProperties is notoriously hit-or-miss Even as models improve and context windows grow and AI gets smarter, the legacy quirks of these properties usually derail the generator—skewing the output into either hallucinated or inefficient logic or broken syntax.
I recently helped create this post on “Migrating EWS notifications to Microsoft Graph,” where I tried to cover all the information you need to migrate from EWS to Graph Webhooks.
Syncing contacts across multiple platforms is a persistent business challenge, often addressed using a variety of custom automation solutions.
S/MIME serves as the industry standard for enhancing email security through two critical functions: digital signing and encryption.
TLDR A common error after migrating an app from EWS to Microsoft Graph is “Application is over its MailboxConcurrency limit”.
TL;DR: Migrating Sticky Notes from EWS to Microsoft Graph is possible via the Messages endpoint, despite what current LLMs (and the lack of official documentation) might tell you.
Personal Distribution Lists (also known as Contact Groups) have been a long-lived feature in both Outlook and Exchange.
TLDR Microsoft has released a new userConfiguration endpoint in the Microsoft Graph Beta, which serves as a plug-in replacement for existing EWS UserConfiguration operations.
One of the best early Christmas presents Microsoft delivered in the Microsoft Graph is the ability to set work hours and locations.
With the release in preview of the Exchange Online Admin API recently this has unlocked a Migration path for those EWS apps that are stuck because of the lack of Delegate operations.
