Microsoft Update Standalone Package
Unknownarchive
file format used to redistribute standalone Windows updates
Identify it
| Extensions | .msu |
|---|---|
| MIME types | application/vnd.ms-cab-compressedtext/xml |
| Signatures | 4d53434600000000 at byte 0 |
| Wikidata | Q28771321 |
Not sure your file is this? Identify it from its first bytes, in your browser.
Open it
No software is recorded for this format.
Convert it
No conversion recorded. One of the tools above may export it; search for a chain.
0Sources
From Just Solve the File Format Problem (File Formats Wiki), Wikidata. Updated 2026-10-24.