Dreamlusion’s blog

June 15, 2008

Unpack an MSI Installer

Filed under: Uncategorized — Tags: — dreamlusion @ 2:42 pm

Whether you want to know what an MSI contains or if you want to just extract a single file from an MSI you have, at least, two alternative ways of doing so.

Your first choice is to open a command prompt window and type:

msiexec /a <name>.msi

The /a switch -administrative privileges- option works with most of MSI, but in some MSI priviledges is disabled, so your second choice is to use the /a switch with the TARGETDIR public property in silent mode.

So, your final commnad will be something like this.

msiexec /a <name>.msi TARGETDIR=<path> /qb

For more command line that are available with Windows Installer consult the corresponding page of the MSDN Library, here.

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