- Extension
- .msp
- .zipx
- Format
- Binary
- Binary
- Category
- Developer
- Compressed
- Developer
- Microsoft
- PKWARE, Inc.
- Description
- The msp files are used to update the Windows operating system and other Microsoft programs. Typically included with security updates or Microsoft hotfixes.
- WinZip, starting with version 12.1, uses the extension .zipx for ZIP files that use compression methods newer than DEFLATE; specifically, methods BZip, LZMA, PPMd, Jpeg and Wavpack. The last 2 are applied to appropriate file types when "Best method" compression is selected.
- MIME Type
- application/octet-stream
- application/zip
