You try to use Copilot in Microsoft 365, and a message appears: Your tenant doesn’t support this feature. This stops you from using Copilot in Word, Excel, PowerPoint, or Teams. The error occurs because your Microsoft 365 tenant lacks the required license, the Copilot service plan is not assigned to users, or the feature is … Read more
You are writing a function in Visual Studio Code or another supported IDE, and GitHub Copilot suddenly stops offering inline suggestions halfway through. The ghost text disappears, and pressing Tab or Enter does nothing. This interruption can break your flow and slow down development. The cause is usually a combination of context limits, token restrictions, … Read more
You are typing a message in Copilot Chat and click Send. Instead of a reply, you see the error Failed to send message. This problem stops you from using Copilot in Microsoft 365 apps, Teams, or the standalone chat interface. The error usually appears because of a network interruption, a corrupted browser cache, or an … Read more
When you ask Copilot in Excel to reference a range or a specific cell, it sometimes returns the wrong location. This problem usually occurs because Copilot misinterprets the current table structure or uses implicit references that do not match your spreadsheet layout. The issue can also stem from merged cells, hidden rows, or inconsistent data … Read more
You type a detailed prompt in Copilot, press Enter, and the response area stays blank. The cursor may blink, or a spinner appears briefly then stops. This empty response issue can happen in Copilot for Microsoft 365, Copilot in Edge, or the standalone Copilot app. The root cause is usually a network interruption, a content … Read more
When you open Copilot in Microsoft 365 apps like Word, Excel, or Teams, you might see a red banner that says “Plugin failed to load.” This error stops Copilot from generating text, analyzing data, or answering questions. The root cause is usually a missing or outdated plugin, a blocked network connection, or a corrupted Copilot … Read more
You have an active Copilot Pro subscription, but the Copilot pane in Word, Excel, or PowerPoint shows a limited interface or displays an error about missing features. This usually happens because the Microsoft 365 client app has not synced the license, or because the Copilot Pro license is assigned to the wrong Microsoft account. In … Read more
You have full permissions to a SharePoint file, but Copilot refuses to read it. This problem usually occurs because Copilot relies on additional data access settings beyond standard file permissions. The cause is often a missing search index, a blocked Graph API connection, or a restrictive data source policy in the Microsoft 365 admin center. … Read more
You open Visual Studio Code and see a red error banner: “GitHub Copilot: Request failed with status code 401.” This means Copilot cannot verify your identity with GitHub servers. The 401 error appears when your authentication token is expired, missing, or revoked. This article explains why the error occurs and provides step-by-step fixes to restore … Read more
When you ask Copilot a question about your company data such as upcoming deadlines from your project plan or the status of a sales deal in your CRM you expect answers grounded in your Microsoft 365 tenant. Instead you might receive a vague response that reads like a general definition or a sample scenario that … Read more