App Assure

The FastTrack App Assure program was launched in 2018 to fulfill Microsoft’s promise on application compatibility: we are committed to ensuring all business-critical apps work on the latest versions of our technology. While most apps will continue to work following deployment on the latest Microsoft products, App Assure engineers are available to help resolve any issues you might experience. App Assure supports application compatibility on:

App Assure remediates issues for:

  • Customer Developed Line of Business (LOB) Applications
  • Independent Software Vendor (ISV) Applications
  • Microsoft First-Party Products

App Assure is part of the FastTrack benefit, which comes at no additional cost with eligible Microsoft 365 and Windows plans.

Contact Us

Submit a Request for Assistance for valid app compat issues.

Questions? Email us at

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