The file oart.dll is a piece of the 2007 Microsoft Office system from Microsoft Corporation. This file belongs to Microsoft OfficeArt, which is part of a drawing module. Errors with the oart dynamic link library file can cause problems with the programs in Microsoft Office.
One solution to problems with this file is to reinstall all of Microsoft Office from the original installation discs. Before you go to that trouble, though, you should check your system’s registry.
The registry is the information desk for your operating system. When you run a program, Windows checks the registry to find out where the files that belong to that program are stored on your computer, and how to use those files. ZookaWare PC Cleaner checks your registry for errors and fixes all the problems.
When you clean your registry with ZookaWare PC Cleaner, you will repair every problem, 100% guaranteed. Try a free scan with ZookaWare PC Cleaner to check and see if your registry needs to be cleaned.