How to prevent others from modifying PPT_Learn about read-only and password protection

Are you worried about others modifying your PPT files without authorization? Don’t worry, PHP editor Yuzai has brought you a practical guide to prevent PPT modification. We'll cover two effective methods: read-only mode and password protection. By understanding these methods, you can ensure that your PPT files are protected from tampering, so read on for detailed instructions.

First of all, you can set your PPT to password protection. If others want to open your PPT, they must enter the password before they can view it.

After entering PPT, click the LOGO in the upper left corner, and click [Prepare]-[Encrypted Document] in the menu.

Then you can enter the encryption password in the pop-up dialog box. Note that the password is case-sensitive. After entering the password, enter the password again to confirm, and finally save the document. When you open the document again, a pop-up will appear asking for a password.

However, in some cases, the PPT will still be modified after someone enters the password. The password can only restrict viewing and cannot protect it from being edited. Then you can The PPT page is set to read-only mode.

Similarly click on the LOGO in the upper left corner, and click [Prepare]-[Mark as Final State] in the menu. Then two warning options will appear, click OK respectively. After that, a sign marked as final appears in the status bar below. At this time, your document is locked, and others cannot edit or modify your document. You can see that all the menu bar buttons above turn gray, which means they cannot be edited.

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