Click 'Protect Presentation.' Once selected, a drop-down menu will appear with these four options: Always Open Read-Only: This asks the reader to opt-in to edit the presentation. This prevents accidental edits. Encrypt with Password: This password protects your presentation. Click Encrypt with Password. Delete your password and click OK. This will remove the password from your Microsoft Office file and allow anyone to open it. These instructions work for the following Microsoft Office apps: Excel for Office 365. Word for Office 365. PowerPoint for Office 365. PowerPoint 2016. PowerPoint Presentation doesn't support encryption in ASP.NET Core, Blazor and Xamarin. Decrypting the PowerPoint Presentation Essential Presentation provides ability to remove the encryption from the PowerPoint Presentation.
28 Sep 2020 / 13 minutes to read
Encrypting with password
You can protect a PowerPoint Presentation by encrypting the document by using a password. This prevents unauthorized users to access or make changes in the Presentation.
The following code example demonstrates how to encrypt a PowerPoint Presentation with password.
NOTE
PowerPoint Presentation doesn't support encryption in ASP.NET Core, Blazor and Xamarin.
Decrypting the PowerPoint Presentation
Essential Presentation provides ability to remove the encryption from the PowerPoint Presentation. You can decrypt a PowerPoint Presentation by opening it with the password.
OpeningtheEncryptedPowerPointPresentation
The following code example demonstrates opening the encrypted PowerPoint Presentation.
RemovingtheencryptionfromPresentation
The following code example demonstrates removing the encryption from a PowerPoint Presentation.
Write Protection
You can set write protection for a PowerPoint Presentation and remove protection from the write protected PowerPoint presentation.
Protect PowerPoint Presentation
You can protect a PowerPoint Presentation with password to restrict unauthorized editing.
The following code example shows how to set write protection for a PowerPoint Presentation.
How To Encrypt A Powerpoint Presentation Pdf
Remove Protection
You can check whether a PowerPoint Presentation is write protected and remove protection from the write protected PowerPoint Presentation.
How To Encrypt A Powerpoint Presentation Powerpoint
The following code example shows how to remove restriction protection from the write protected PowerPoint Presentation
NOTE
- In Xamarin application, this feature is supported from the target framework .NET Standard 2.0 version onwards.
- For ASP.NET Core, this feature is supported from .NET Core 2.0 version onwards.