OpenedFilesView

OpenedFilesView is a utility that displays the list of all open files on your system. For each file, additional information is shown: the process that opened the file, access permissions, file position, and more.

★★★★★

4.5(2 ratings)

• Complete list of open files. Shows a detailed list of all files and directories currently opened by running processes on the system. The list includes full filenames, file handles, and resource types.
• Detailed process information. For each open file, the process holding it open is shown, including the process ID (PID), the executable process name, and the full path to the executable.
• File access permissions. Indicates the specific permissions with which each process has opened the file, such as read, write, delete, or execute. This information is essential for diagnosing permission issues.
• File pointer position. Displays the current pointer position within each open file, valuable information for diagnosing issues with applications working with large files.
• File opening mode. Reveals the exact mode in which each file was opened by the process, indicating whether it was opened for exclusive read, shared access, or if it was newly created.
• Remote handle closing. Allows safely closing handles of open files, releasing resources locked by applications without needing to terminate the entire process.
• Advanced filtering. Offers filtering capabilities to search for specific files by name, process, or access type, making it easier to locate relevant information in systems with high activity.
• Real-time updates. The list of open files can be dynamically refreshed to reflect changes in system activity while monitoring.
• Data export. Allows exporting the complete list of open files to various formats including plain text, HTML, XML, and CSV for later analysis or documentation.
• File version information. Provides details about the version of executable files that have open handles, including version number, company, and description.
• Integrated search. Includes a search function that allows quickly locating specific files or processes within the extensive list of displayed items.
• Loaded DLLs information. Shows not only regular files but also DLL modules loaded by each process, providing a complete view of dependencies.
• Customizable columns. Allows customizing the display by selecting which information columns to show and in what order, adapting to the specific needs of each user.
• Command-line operation. Supports execution via command-line parameters for use in scripts and automation of administrative tasks.
• Remote file indication. Identifies and distinguishes between local files and files opened over network shares, aiding in diagnosing network issues.

OpenedFilesView was developed by Nir Sofer of NirSoft. Development began in the 2000s as part of the NirSoft suite of system utilities. The tool was created using the C++ programming language with an emphasis on efficiency and low resource usage. The application is distributed as a portable executable with no installation required.