You can save a PowerPoint presentation as a PDF to lock its content and formatting in place, so that other people can view the file but can't make changes.

Most people save their Office PowerPoint 2010, the presentation software from Microsoft, documents using the "File-Save" menus or the "Ctrl-S" shortcut keys.

1] Save file to a new PowerPoint Presentation If you are unable to save the current PowerPoint presentation, you can try saving it as a new presentation file. First, create a blank presentation.

How to Save a Mac PowerPoint Into Keynote. Apple's Keynote, part of the iWork suite of business and productivity applications, creates presentations equivalent to those you prepare in Microsoft ...