has a number of Excel file is the company's confidential type files, to file encryption is an essential work, the following to introduce you how to file encryption.
for file encryption as below
shown first click on the top right corner The "file" - "save as" select and click to save the local
in the pop-up dialog box, click the "tools" - "conventional options" in the pop-up box
: "open the password in the password and click" OK "
file encryption. />
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