If you save a Microsoft PowerPoint presentation that requires a password to modify the presentation, but not a password to open the presentation, you are still required to type a password the next time that you open the presentation.

When you attempt to open the presentation, you receive the following message regardless of whether you intend to modify or just open the presentation: You can either type the password, click Cancel to stop the file-open process, or open the file in a read-only format.

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This issue occurs because PowerPoint prompts you for any password applied to a presentation as soon as you open the presentation file, regardless of whether the password is used to modify or just open the file.

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To resolve this issue, click Read Only when you are first prompted for a password when you open the file. If you want to modify the presentation, type the password at this time.

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Methods to protect a presentation from unauthorized users

Require a password to modify the document

To allow all users to open the document but allow only authorized users to make changes to it, you can assign a password, which the user is required to type before modifying the document. If a user modifies the document without using the password, that user can save the document only by giving it a different file name.

If you type a password in the Password to modify box, users are prompted for a password when they open the presentation. The presentation is opened when the user types the correct password. Or, the user can open the presentation as read-only.

Require a password to open the document

To prevent unauthorized users from opening a document at all, you can assign a password to your presentation.

If you type a password in the Password to open box, the presentation is opened when the user types the correct password. If the user forgets or loses the password, he or she cannot open the presentation.

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How to require a password

How to require a password in Microsoft PowerPoint 2002 and in Microsoft Office PowerPoint 2003

To require a password to modify the document, follow these steps:

1.	Open the presentation.
2.	On the File menu, click Save As.
3.	On the Tools menu, in the Save As dialog box, click Security Options.
4.	In the Password to modify box, type a password, and then click OK.
5.	In the Re-enter password to modify box, type the password again, and then click OK.
6.	Click Save.

To require a password to open the document, follow these steps:

1.	Open the presentation.
2.	On the File menu, click Save As.
3.	On the Tools menu, in the Save As dialog box, click Security Options.
4.	In the Password to open box, type a password, and then click OK.
5.	In the Re-enter password to open box, type the password again, and then click OK.
6.	Click Save.

How to require a password in Microsoft Office PowerPoint 2007

To require a password to modify or to open the document, follow these steps:

1.	Open the presentation.
2.	Click the Microsoft Office Button, point to Save As, and then click PowerPoint Presentation.
3.	Click Tools, and then click General Options.
4.	In the General Options dialog box, type a password for opening or for modifying the file.
5.	Click OK, and then click Save.

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