Protecting presentations

You can protect your presentations with a password that is required to enter the editing mode by your co-authors. The password can be changed or removed later on.

note

The password cannot be restored if you lose or forget it. Please keep it in a safe place.

Setting a password

1. Go to the File tab at the top toolbar, choose the Protect option, and click the Add password button. In the desktop editors, you can also go to the Protection tab at the top toolbar and click the Encrypt button.

2. Set a password in the Password field and repeat it in the Repeat password field below. Click to show or hide password characters when entered.

   

3. Click OK when ready.

To open the presentation with the full access rights, the user has to enter the set password.

Changing a password

1. Go to the File tab at the top toolbar, choose the Protect option, and click the Change password button. In the desktop editors, you can also go to the Protection tab at the top toolbar and click the Encrypt button.

2. Set a new password in the Password field and repeat it in the Repeat password field below.

   

3. Click OK.

Deleting a password

1. Go to the File tab at the top toolbar.
2. Choose the Protect option.
3. Click the Delete password button.

Adding a signature

note

This feature is available in the desktop editors only.

A digital signature confirms that the presentation comes from you and hasn't been changed since it was signed. Once a presentation is signed, any further editing makes the signature invalid.

1. Go to the Protection tab at the top toolbar.

2. Click the Signature button.

3. Enter the reason for signing in the Purpose for signing this document field, then click the Select button next to Certificate and choose your certificate file.

   

4. Click OK when ready.