Extract text from MSU files
To convert your MSU file to another format, you need Windows Update Standalone Installer or other System software.
To convert other file formats to the "Update Package" file type, you need software like Windows Update Standalone Installer or a similar tool.
A .MSU file is a standalone update installer used exclusively by Microsoft Windows to deliver system patches, security fixes, and feature updates. These files are processed by the Windows Update Standalone Installer (WUSA), which automatically unpacks and applies the update to the operating system. While efficient for automated deployment, .MSU files present significant challenges for users who need to inspect contents or deploy specific components manually. The format is a "blind" archive; double-clicking immediately attempts an installation, often triggering system checks and requiring restarts, rather than allowing you to view the contained drivers or documentation.
Furthermore, .MSU files are natively unrecognizable on macOS or Linux, locking valuable data inside a proprietary container. To access specific DLL files, review the XML manifest, or verify the payload without modifying your system, you should convert or extract the .MSU file. Treating it as an archive allows you to output the internal CAB (Cabinet) files, TXT release notes, and XML configuration data. This conversion is essential for system administrators auditing updates or users needing to extract a single driver file from a massive update package without running the full installer.
Convert.Guru analyzes your MSU file, detects the exact format, and lets you read the text inside.
Users also converted EXE, MSI, APKG, ZIP, DMP, DAT, DB, CAB and ISO files.
If you want to convert MSU file to CAB, MSI, ISO, TMP, TEMP, CACHE, LOG, BAK, OLD, NEW, PART or DOWNLOAD, you can use Windows Update Standalone Installer or similar software from the "Windows System Update" category. In the File menu, look for Save As… or Export….
To convert DEVICE, CACHE, SOCK, SYMLINK, PID, MOUNT, FIFO, LOG, PIPE, TMP, JUNCTION or TEMP files to MSU, try Windows Update Standalone Installer or another comparable tool in the "Windows System Update" category.
The history of Convert.Guru began over 25 years ago in California with Tom Simondi’s file-format database. A former contributor to Space Shuttle development and a software pioneer of the 1980s, Simondi established a trusted resource for file type analysis that was even referenced by Microsoft Windows XP. Today, we use modern technology to process and convert thousands of file formats while continually improving our MSU converter.