If you see "garbled" characters in the folder names after extracting, it is likely due to Unicode (UTF-8) encoding issues common with Vietnamese characters. Use 7-Zip to extract, as it handles Unicode better than the default Windows Explorer "Extract All" tool.
To view the contents, you will need an extraction tool like or WinRAR .
If it asks for a password, common defaults for Vietnamese technical backups include 123 , 123456 , or the name of the software (e.g., misa , phanmem ). 4. Likely Content Structure Once open, you are likely to find one of the following: