Stay secure, and archive smart.
The ZArchiver app itself does not have a "master password" or a default password for the files it opens. If you are prompted for a password when trying to extract or view a file, it means the person who created that specific archive encrypted it to protect its contents. password of zarchiver
Now, your archive is locked. Anyone who tries to open it using ZArchiver, WinRAR, or 7-Zip on a PC will need that exact password. Stay secure, and archive smart
ZArchiver also allows you to to your own archives, keeping your sensitive files private. password of zarchiver
Since passwords are set by the file's uploader, you won't find them in the app settings. Here are the most common places to look: The Source Website: