If Microsoft Project cannot open a file, you can repair corrupted Microsoft Project files by following the solutions mentioned in this post.

How to Open DLL Files & Programs in Microsoft. The acronym "DLL" stands for dynamic link library. DLLs contain code and instructions for one or more applications. A DLL is utilized in Microsoft ...

If Libraries do not work or open in Windows 11/10, learn how to restore defaults Libraries & fix documents.library-ms is no longer working error.

The files are created by Microsoft XPS Document Writer, but can be opened by Microsoft XPS Viewer. You may access the Viewer directly, or open it through the file.