Office Word2007 is completely different from the previous Word2003, whether it's on the interface or on the operation.
Method One
1. Open the document, click the Office Button, select "Prepare" and select "Encrypt document" in the pop-up menu;
2, at this time, will pop up an "Encrypted document" dialog box, "The content of this file to encrypt", enter the password you want to join, and then set up a good password to save the document.
Method Two
1, open the document, the same Office Button, and then select Save As, and then select Word Document in the Save copy of the document;
2. In the Save As dialog box, click the Tools button below and select General Options in the Drop-down menu.
3, in the pop-up "General Options" dialog box can be arbitrary to the Word document encryption.
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