"Files necessary to run the Office Customization Tool were not found" when you open the tool


Office 365 ProPlus is being renamed to Microsoft 365 Apps for enterprise. For more information about this change, read this blog post.


You use the Office Customization Tool to customize an installation of the 2007 Microsoft Office system. You try to open the Office Customization Tool by typing the following command at a command prompt:

setup.exe /admin

When you do this, you may receive the following error message:

Files necessary to run the Office Customization Tool were not found. Run Setup from the installation point of a qualifying product.


This issue may occur if you do not have a volume-license version of the 2007 Office system. The Office Customization Tool is available only with volume-license versions of the 2007 Office system. This tool requires an Admin folder in the 2007 Office system source image. If the Admin folder does not exist, you will receive this error message.

More Information

For more information, click the following article number to view the article in the Microsoft Knowledge Base:

931401 How to determine whether you have a retail edition or a volume license edition of a 2007 or a 2010 Microsoft Office suite

For more information about the Office Customization Tool, visit the following Microsoft Web site:

Office Customization Tool (OCT) reference for Office 2013