When you try to use Copilot in Microsoft 365 and see a 500 Internal Server Error, your work stops. This error means the server that processes your Copilot request cannot complete the action. It can happen in any Microsoft 365 app like Word, Excel, or Teams. This article explains why the 500 error occurs and … Read more
You ask Copilot a work question inside Microsoft 365 apps. It replies with a generic refusal: I cannot help with that. This happens even when the request is valid and within your organization’s data policies. The root cause is often a mismatch between Copilot’s grounding configuration and the data source you are trying to query. … Read more
When you chat with Copilot in Microsoft 365 apps, the assistant may forget what you said a few messages ago. This happens because Copilot has a limited context window that resets after a certain number of turns. The context window is the amount of recent conversation history the model can reference at once. This article … Read more
You see the error message File Type Not Supported when you try to upload a document to Copilot in Microsoft 365 Chat or Copilot in Word. This error occurs because Copilot can only process a specific set of file formats for grounding and content generation. The file you are uploading uses an extension or encoding … Read more
You are working in Word when Copilot suddenly stops responding, the pane freezes, or the plugin crashes repeatedly in a loop. This crash loop prevents you from using any Copilot features, including drafting, rewriting, or summarizing content. The issue usually stems from a corrupted plugin state, conflicting add-ins, or a damaged Word settings file. This … Read more