Manually modify the .XSN file

One of the extension of the Infopath 2007 is XSN. Actually, the XSN is a zip-based package, which is the same as the .docx and other Office 2007 file using the OpenXML format. You can use the Microsoft Word or Excel to change the corresponding files, but you also can change it manually without using the Word or Excel.

1. Change the extension to CAB
2. Extract the CAB file
3. Modify the files whatever you want
4. Create a TXT file like it.
5. 
6. Run the command like makcab /f "your txt file"