Officemui.msi Download ((install)) Info

Attempting to install an MSI-based version of Office on a system that already has a Click-to-Run (C2R) version (like Microsoft 365) installed.

Are you currently seeing this error while a new version or repairing an old one? Officemui.msi Download

If the error claims a source is unavailable, Windows is looking for the original CD or network location. If you installed Office via a download, the files should be in the C:\Windows\Installer folder (a hidden system folder). Do not manually move files here, but running the "Online Repair" as described above will usually refresh this cache. Attempting to install an MSI-based version of Office

You may need to search the Microsoft Volume Licensing Service Center (VLSC) or the MSDN Subscriber Downloads if you have a business license. If you installed Office via a download, the

If you cannot locate the source file:

This error often occurs when installing older versions of Office (like Office 2007 or 2010).