Summary. The Microsoft automatic update for Open XML file format conversion may fail to install, resulting in an error message stating:
“The installation failed. The Installer encountered an error that caused the installation to fail. Contact the software manufacturer for assistance.”
When this happens, it may be necessary to manually download the update and install it. The update is available from Microsoft.
The screen below shows how the Open XML File Format Converter shows up in the Microsoft AutoUpdate list.
The screen below shows the error message you may encounter when trying to install the Open XML File Format Converter using Microsoft AutoUpdate.
