Error Codes

Match Office error codes to practical fixes—install, activation, update, and runtime failures explained briefly.

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1267 Resources

How to Fix OneDrive Account Setup Errors on macOS Sonoma

◷ 2026-10-09

Experiencing OneDrive account setup errors or Files On-Demand failures on macOS Sonoma? Learn how to reset OneDrive and fix error code -1 when adding accounts.

Fix Microsoft Lists Error 1001 on iPhone After Authentication

◷ 2026-10-09

Learn how to fix Microsoft Lists Error 1001 on your iPhone after using Microsoft Authenticator by disabling VPNs, resetting app data, and signing out of Office accounts.

Fix Word Interop COMException After Migrating to Built-In Labeling

◷ 2026-10-09

Learn how to troubleshoot Word Interop COMException errors like 'The context cannot be modified' after migrating from Azure Information Protection to built-in labeling.

Fix Microsoft 365 Error 80180006: Password Requested Three Times

◷ 2026-10-09

Learn how to resolve Microsoft 365 error 80180006 when Teams or Outlook repeatedly requests your password and fails device registration.

Fix HTTP 400 Request Too Long Error in Microsoft Publisher

◷ 2026-10-09

Learn how to fix the HTTP 400 Request Too Long error in Microsoft Publisher when inserting or changing pictures by clearing cookies and checking image formats.

Fix Excel Stock Data Type Errors (#NAME? or #UNKNOWN) on Mac

◷ 2026-10-09

Learn why Excel Stock Data Types show #NAME? or #UNKNOWN errors in Office 2021 for Mac and how to resolve license requirements to restore your spreadsheets.

How to Fix 502 Bad Gateway Errors in Excel Scripts with Power Automate

◷ 2026-10-09

Learn how to troubleshoot and fix the 502 Bad Gateway error when running Excel Office Scripts via Power Automate, including handling null fields and syntax errors.

How to Fix Microsoft 365 Sign-In Error 1001 with Administrator Accounts

◷ 2026-10-09

Resolve Microsoft 365 Sign-In Error 1001 caused by conflicting Office identities or cached credentials. Learn how to clear cache and rebuild identity folders.

Fix Run-Time Error 80131700 Class Not Registered in Excel

◷ 2026-10-09

Learn how to troubleshoot and fix Excel run-time error 80131700 (Class not registered) related to VBA extensions after upgrading to Microsoft 365.

How to Fix DCOM Error 80070005 in .NET Office Applications

◷ 2026-10-09

Learn how to troubleshoot and fix DCOM Error 80070005 (Access Denied) when automating Microsoft Word and Excel via .NET on Windows Server.

How to Fix Microsoft 365 Error 80192EE7 When Adding an Account

◷ 2026-10-09

Learn how to fix Microsoft 365 Error 80192EE7 when adding an account on a Windows device by resolving deprecated Windows Information Protection settings in Microsoft Entra.

How to Fix OneDrive 'Lock Token Does Not Match Existing Lock' Error

◷ 2026-10-09

Resolve the OneDrive 'lock token does not match existing lock' error. Learn how to troubleshoot shared files, manage access permissions, and resume editing.

Fix Office.com and Teams Error 403 on a BGP Network

◷ 2026-10-09

Learn how to troubleshoot and fix Request Blocked or Error 403 messages when accessing Office.com and Microsoft Teams through a BGP network.

Fix Microsoft Forms Link Returning 404 in Power Automate Email

◷ 2026-10-09

Learn how to resolve the 404 error when opening a Microsoft Forms link from a Power Automate email by setting the correct sharing permissions.

How to Fix Excel VBA Runtime Error 1004: Invalid Sort Reference

◷ 2026-10-09

Learn how to resolve Excel VBA Runtime Error 1004 during sorting. Discover how to properly qualify sort keys and dynamic ranges to fix the Sort.Apply failure.

Fix Outlook Error 550 When Sending Yahoo Calendar Invitations

◷ 2026-10-09

Learn how to resolve Outlook error 550 (Mailbox unavailable) when sending Yahoo calendar invitations. Fix local calendar conflicts and profile syncing issues.