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How to Encrypt and Add a Password to Files in Office 2010-2016

Office application offers an encryption function to ensure security, nobody can access your files without the password. In this article, you will learn how to password protect documents, workbooks, and presentations.

Option 1: Set a password for Word/Excel/PowerPoint 2010-2016

You can use passwords to help prevent other people from opening or modifying your documents, workbooks, and presentations. Here takes Microsoft Office Word as an example.

Step 1: Open a Microsoft Word document in your computer, and click the File tab.

Click File tab

Step 2: In the Info tab, click Protect Document button, select Encrypt with Password option.

Select Encrypt with Password

Step 3: In the Password box, type a password, and then click OK.

Keep your password in a safe place. If you lose or forget the password, it can't be recovered.

Enter password and confirm password

In the Confirm Password dialog box, in the Reenter password box, type the password again, and then click OK. Save the password, it will be used to open the document and remove password protection from Word documents.

File open permissions

Option 2: Set a Password to Open/Modify a Document/Spreadsheet/Presentation

In addition to setting a password to open a PowerPoint presentation, you can set a password to allow others to modify the presentation. Use these steps, you can encrypt your presentation (workbook or document) and set a password to open it:

Step 1: In PowerPoint, click the File tab, select Save as.

Save as option

Step 2: On the bottom of the Save As dialog, click Tools.

Step 3: On the Tools menu, click General Options. The General Options dialog opens.

General Options

Step 4: Under File sharing settings for this document, in the Password boxes, type a password.

Enter password to open and modify presentation

Step 5: In the Confirm Password dialog, re-type the password. Click OK. Click Save.

Confirm password

Tips: To remove the password, repeat these instructions and then delete the password from the Password to modify box. Click Save.