Password protect opening of the document.

密码保护的文件打开。

youdao

For example, you might want to protect an entire document except for a particular bookmark.

例如除了特别书签外，您可能想要保护整个文件。

youdao

For example, you might want to protect an entire document except for a particular bookmark.

例如除了特别书签外，您可能想要保护整个文件。

youdao