You try to upload a document in Copilot Chat, but the process stops at the scanning stage. The progress bar fills partway and then freezes. This happens most often with PDFs, Word documents, or images that contain sensitive or complex content. The root cause is the security scanning service that Copilot uses to inspect files … Read more
When you upload a file to Copilot Chat, you may see an error message stating the file type is not supported. This error prevents Copilot from reading or processing the file content. The cause is typically a file format that Copilot cannot parse, such as a binary format, an unsupported extension, or a corrupted file. … Read more
You press the microphone icon in Copilot Chat on Microsoft Edge, but nothing happens. The voice input button appears grayed out, or it flashes briefly and then stops. This problem usually occurs because Edge’s microphone permissions are blocked, the wrong audio device is selected, or a browser extension interferes with the audio stream. This article … Read more
You try to upload an image to Copilot Chat, but the upload fails with a network error. This can happen in Microsoft Edge, Chrome, or the Copilot mobile app. The root cause is often a blocked content delivery network, a proxy interference, or a browser extension that strips image metadata. This article explains why the … Read more
You open the Copilot pane in Microsoft 365 and your previous chat threads are gone. The conversation history panel shows a blank list or only the current session. This problem typically occurs after a Microsoft 365 update, a license re-assignment, or when the Copilot service experiences a temporary data sync failure. This article explains the … Read more
When you use Copilot Chat in Microsoft 365, a green shield badge with the text “Enterprise data protection” should appear next to responses. This badge confirms that your chat data is protected under your organization’s compliance policies and is not used to train the underlying AI model. When the badge is missing, it often means … Read more
You open Copilot Chat on a Microsoft 365 work or school account, but the interface shows Personal Mode with a consumer account icon and no access to work files or enterprise data. This prevents you from using Copilot with Microsoft Graph, Teams, or SharePoint context. The cause is typically a misconfigured Microsoft 365 tenant setting … Read more
You are signed into Copilot Chat with your personal Microsoft account, but the option to switch to your work or school account is missing or grayed out. This problem typically occurs when Microsoft 365 authentication policies, browser cache, or the Copilot app configuration block the account picker from loading correctly. The root cause is often … Read more
When you open Copilot Chat in Microsoft Teams, Edge, or the standalone copilot.microsoft.com site, you may see the error message “This account is not supported.” This message blocks you from sending any prompts or accessing Copilot features. The root cause is typically a licensing mismatch, a conditional access policy, or an account type that Microsoft … Read more
You type a question in Copilot Chat and see the error: This prompt was blocked by your organization. This message stops your work and leaves you without an answer. The block happens because of content filtering rules set by your IT admin in Microsoft 365. This article explains why the block occurs and shows the … Read more