Troubleshooting Office 2021 Installation: Handling Error Code 0x80070005

If you encounter error code 0x80070005 while installing Office 2021, consider these steps:

1. Execute installer with admin rights: Right-click the setup file and choose 'Run as administrator' to ensure it has necessary permissions.
2. Temporarily turn off antivirus: Antivirus programs can occasionally block the installation. Deactivate your antivirus briefly and attempt the installation once more.
3. Verify user privileges: Ensure your account has the admin rights required to install applications on your system. Adjust your user settings if necessary.
4. Initiate a clean system boot: Conduct a clean boot to remove potential conflicts from other applications or services that might be affecting the installation.
5. Utilise Microsoft’s troubleshooting tool: Microsoft offers a troubleshooting tool specifically for installation issues. Download and run this tool to potentially resolve error 0x80070005.
6. Consider system repair or reinstallation: If other resolutions fail, repairing or reinstalling Windows could address deeper system problems hindering the Office setup.