When you attempt to open the PDF file, you will be asked for a password.

当您试图打开PD F文件时，您会被要求输入密码。

youdao

1 cannot open this file because it is password protected. Please unprotect it and try again.

因为有密码保护，% 1无法打开此文件。请解除密码保护，然后再试。

youdao

So how is it possible that when client wants to open the text file it asks for password and files can be opened in notepad only after entering the right password.

那么如何可能的是，当客户端打开文本文件时，它要求密码和文件只能在输入正确的密码后才能在记事本中打开。

youdao