How to: Display a List of Processes That Have Files Open

This article describes Systems Internals's Process Explorer shareware utility.

The Process Explorer utility lists the files, registry keys, and other objects that open processes are using or the dynamic-link libraries (DLLs) that the processes loaded. To obtain the Process Explorer utility, visit the following Systems Internals Web site: With the exception of our own products, Microsoft does not endorse or recommend any of these products over others in the same area. We provide this information only as a convenience for our customers and, excepting our own products, do not provide warranties of any kind, either express or implied, including but not limited to the implied warranties of merchantability and/or fitness for a particular purpose.

The third-party products that are discussed in this article are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, regarding the performance or reliability of these products.