Currently in Microsoft Q&A we only support English, could you please edit your question into English？Thanks for your understanding.
Via translation tool, I get the following content.
But in Microsoft Word, a password-protected document cannot be recovered if the password for that document is lost or forgotten. Microsoft does not offer a service to retrieve documents to which passwords have been added, nor does it offer any information about such services or processes.
For more, please refer to article 'You cannot recover a document that is protected with a password if the password is lost in Word'.
Thanks for your understanding.
If the answer is helpful, please click "Accept Answer" and kindly upvote it. If you have extra questions about this answer, please click "Comment".
Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.