Convert MSU files to CAB

MSU contains the cab.

7zip can extact the cab from the msu.

And the expand command can extract the files from the cab:

Code:

expand test.cab -f* C:\Test

 

Most if not all of the times extracting the files from .msu using 7-zip will generate an error which can be ignored.
To avoid the error, the msu can be opened with 7-zip and files copies out of the msu in another location.
Alternatively, the official way is similar to the command shown in the other post using expand -f:*

expand -f:* "C:\Temp\windows10.0-kb4584642-x64_msedge.msu" C:\Temp

 

I never saw an error appear when i extract the cab from the msu for my W10UI tests

Oh wait, i manually drag and drop the cab from the msu in the 7zip file manager window, not by command line use

 

Right-click on the file, select 7-zip from the menu, extract to...

 

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I use :
expand XXXXXXXXXX.msu . -F:* (Where X is the name of the file)
cab file is extracted in the root of the msu folder. Never had any issues