Fix Error 1001 When Adding Custom Action DLL to MSI Installer
Learn how to troubleshoot and fix Error 1001 when adding a .NET 6 custom action DLL to a Visual Studio 2022 MSI installer, often affecting Excel integrations.
Read more ›Error Codes
Match Office error codes to practical fixes—install, activation, update, and runtime failures explained briefly.
Latest
1267 ResourcesHow to Fix Office TPM Malfunction Error 80090016 for Work or School Accounts
Learn how to resolve the Trusted Platform Module (TPM) malfunction error 80090016 in Microsoft Office when signing in with a work or school account on Windows.
Read more ›How to Fix AADSTS50107 Army Email CAC Login Error
Resolve the AADSTS50107 federation realm error when logging into Army email with your CAC. Learn how to troubleshoot Microsoft Entra ID authentication issues.
Read more ›How to Troubleshoot Azure AD Connect Password Hash Sync Event 611
Learn how to resolve Azure AD Connect Password Hash Sync Event ID 611 in multi-forest environments by verifying DNS resolution and domain connectivity.
Read more ›How to Fix Excel Error 380: Could Not Set BackColor Property on Mac
Learn how to troubleshoot and fix Excel Error 380 (Invalid Property Value) on Mac when a VBA macro attempts to set a control's BackColor property.
Read more ›Fix Error 80090034 When Activating Microsoft 365 After a Motherboard Change
Learn how to troubleshoot and fix Microsoft 365 activation Error 80090034 after replacing your motherboard, including resetting your Trusted Platform Module.
Read more ›How to Delete Exchange Public Folders When Admin Center Fails
Learn how to resolve HTTP 500 or NullReferenceException errors and delete secondary, non-mail-enabled Exchange public folders using PowerShell.
Read more ›How to Fix Office Update Error 0x80200061 in Software Center
Learn how to resolve Microsoft Office update error 0x80200061 stuck at 50% in Software Center by restarting Click-to-Run services and modifying the registry.
Read more ›How to Fix Network Request Timed Out Error 2602 in Outlook for Mac
Learn how to resolve the Network Request Timed Out Error 2602 in OneNote or Outlook for Mac. Troubleshoot sign-in issues with these step-by-step solutions.
Read more ›How to Fix Microsoft 365 Error 0x0 After Azure Migration
Resolve Microsoft 365 authentication error 0x0 that occurs after migrating users to Azure. Find out where to get Active Directory synchronization support.
Read more ›How to Fix Power Pivot COM Exception Error in Excel 2016
Learn how to troubleshoot and fix the Power Pivot COM Exception and Microsoft.AnalysisServices Data Model error in Microsoft Excel 2016.
Read more ›How to Fix OneDrive Server Is Too Busy Error
Encountering the 'Server is too busy' error on OneDrive? Learn how to fix synchronization issues, check server health, and safely restore your file editing access.
Read more ›How to Fix OneDrive Error 0x80040C81 on 32-Bit Windows 7
Learn how to troubleshoot OneDrive Error 0x80040C81 on a 32-bit Windows 7 computer. Discover why the client fails to install and explore practical alternatives.
Read more ›How to Fix Excel Runtime Error 1 Failed to Load bofaddin.dll
Resolve the Excel Runtime Error 1 Failed to load bofaddin.dll caused by Bloomberg Tools. Learn how to reinstall the add-in, repair files, and fix load orders.
Read more ›How to Fix Microsoft Project Web App Errors 23000 and 26005
Learn how to resolve Microsoft Project Web App save and publish errors 23000 and 26005 when modifying resource allocations. Troubleshooting steps included.
Read more ›Fix VBA Run-time Error 6 Overflow with Double Assignment in Excel for Mac
Encountering VBA run-time error 6 (Overflow) when assigning Double variables in Excel for Mac? Learn how to troubleshoot this beta build bug and apply workarounds.
Read more ›How to Fix Microsoft 365 Error 2002 or Error Code 105
Learn how to troubleshoot and fix Microsoft 365 Error 2002 and Error Code 105 caused by account conflicts or cache issues when switching family accounts.
Read more ›How to Fix Microsoft 365 Error Code 147-0 During Office Updates
Learn how to resolve Microsoft 365 error code 147-0 when Office fails to start due to stuck background updates. Follow our step-by-step repair guide.
Read more ›Try what you just learned
Download WPS Office free and open Word, Excel, PowerPoint, and PDF files in one lightweight app.