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Customer Advisory: Microsoft April/October Updates & Releases

Overview

Microsoft delivers major updates and feature releases on a schedule each year, typically in April and October. These release cycles may introduce the following:

  • New features
  • Design changes
  • Security enhancements
  • Performance improvements
  • Changes to system requirements across Microsoft products and services

This advisory explains what d365.Global customers should expect during these update periods and how to prepare for potential impacts.

What Happens in April and October?

During the April and October release windows, Microsoft may:

  • Introduce new or enhanced product features
  • Update user interfaces and workflows
  • Apply security and compliance improvements
  • Modify system, browser, or hardware requirements
  • Deprecate or retire older features or legacy components
  • Improve performance, stability, and accessibility

These updates may affect products such as:

  • Windows
  • Microsoft 365 (Word, Excel, Outlook, Teams, etc.)
  • Dynamics 365 Business Central
  • Cloud services (e.g. Azure, etc.)
  • Web Browsers (e.g. Edge, Internet Explorer, etc.)
  • Security and management tools

Not all updates apply to every customer, but changes may be rolled out gradually across regions and tenants.

At d365.Global, we get advanced notice and provide information to customers once Microsoft prepares for the updates or releases. Our team performs testing and validation to make sure that any software that will be impacted is identified, and a fix can be provided.

Possible Customer Impact

Depending on the update, customers may experience:

  • Visual or layout changes in applications
  • New features becoming available automatically
  • Changed behavior of existing features
  • Temporary service interruptions during update rollout
  • Compatibility issues with older devices, operating systems, or third‑party tools

While Microsoft designs updates to be backward‑compatible, when possible, some changes may require user action or adjustment.

To minimize disruption during April and October updates, customers are advised to:

  1. Stay Informed
  • Review official Microsoft release notes and announcements
  • Watch for update notifications within Microsoft applications
  • Read communications provided by d365.global and your IT or support teams
  1. Plan for Change
  • Avoid major system changes during known update windows
  • Schedule critical work outside planned maintenance periods where possible
  • Allow time to become familiar with new features or interface changes
  1. Verify Compatibility
  • Ensure devices meet current system requirements
  • Confirm that installed add‑ins, integrations, and third‑party tools remain supported
  • Test key workflows after updates are applied
  1. Back Up Important Data
  • Always maintain up‑to‑date backups of important files and configurations
  • Use cloud backup and version history features where available
  1. Report Issues Promptly
  • If unexpected behavior occurs after an update, report it to d365.global support:

Update Timing and Rollout

Microsoft updates are often delivered in phases:

  • Not all users receive updates on the same day
  • Features may appear gradually over several weeks
  • Some updates may be deferred based on organizational policies or settings

Your experience may differ depending on your device, region, product version, and update configuration.

Important Notes

  • Update dates and content are subject to change
  • Some features announced during April or October may be enabled automatically at a later time
  • Administrators may control availability and timing of certain updates in managed environments

You can visit our Learn Portal for more advisory and information.

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