.msi Windows Installer package
Archives & packages
| MIME type | application/x-msi |
|---|---|
| Description | Windows Installer package |
| Category | Archives & packages |
| Based on | application/x-ole-storage |
Frequently asked questions
What is a .msi file?
A .msi file is a “Windows Installer package” (MIME type application/x-msi).
How do I open a .msi file?
With an archive tool such as 7-Zip (Windows) or the built-in archive manager on macOS or Linux. On the command line, use tar, unzip or 7z depending on the format.
How can you tell a genuine .msi file?
No fixed signature at the start of the file is registered for this format; it is recognised mainly by its extension. On Linux and macOS, file --mime-type example.msi shows the guessed type.
Which format is .msi based on?
Technically a .msi file is a subtype of “OLE2 compound document storage” (application/x-ole-storage), so programs for that base format can often read it too.
Which MIME type belongs to .msi?
The MIME type is application/x-msi. In the Apache web server: AddType application/x-msi .msi; in nginx: types { application/x-msi msi; }.