通过设计自己的用户名和密码，隐藏自己要打开的文件，这个文件需要是excel的，实现对excel的加密功能-By designing your own user name and password, and hide their want to open the file, this file needs to be excel, and achieve excel encryption capabilities

强大的文件进程隐藏工具 可以隐藏你正在进行的进程-Document the process of hiding a powerful tool to hide your ongoing process of