Office documents for protecting text data security and encryption (1)

Encrypt Microsoft Office files

1. Encrypt Word, Excel, and PowerPoint files

The methods for encrypting these three types of files are similar. They can be implemented irregularly in the following two ways.

Method 1: option settings

In the preceding application window, such as Word2002), run the "tool options" command, open the "options" dialog box, switch to the "Security" tab, and set "Open permission ".Password"And" change the permission password ", click OK to exit, and then save the current document.

Figure 1

Method 2: Save Encryption

When you "save" or "Save as" for the preceding documents such as "presentations", open the "Save as" dialog box and press the drop-down button on the right of the "Tools" button on the toolbar, in the subsequent drop-down list, select "Security Options" and open the "Security Options" dialog box 2). After setting "Open permission password" and "Modify permission password, exit, and then save the document.

Figure 2

Note:

① You can set only one of the "open permission password" and "Modify permission password" based on your confidentiality. You can also set the two passwords to be the same, ).

② For PowerPoint, the encryption function is added only in versions 2002 and later.

③ When using Channel 2 to encrypt files, select "security measure options" in Word, and select "general options" in Excel ".