This article provides a concise guide on how to resolve the error codes 30182-44 or 30015-45 when installing Office 2021 Professional Plus.

Error codes 30182-44 or 30015-45 typically indicate a conflict with previous Office installations on your computer. Follow these three steps below to resolve these errors and successfully install Office 2021 Professional Plus!

Step 1: Uninstall Previous Office Installations

Use this tool from Microsoft to remove all remnants of any previous Office Installation: https://aka.ms/SaRA-officeUninstallFromPC.

Step 2: Restart Your PC

Once the uninstallation tool has completed its process, restart your computer. Remember to restart (not shut down).

Step 3: Reinstall Microsoft Office

After your PC has restarted, attempt to install Microsoft Office 2021 Professional Plus again.

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By following these steps, you should be able to resolve the installation errors and get Microsoft Office 2021 Professional Plus up and running on your machine.