We usually use to someone else there to take the PPT presentation, but can only play but can not edit, this is how it, oh, in fact, this is very simple, because the other side of the PPT set to play the way, that is how to set it, the following is speaking.
One, only to save as PPS documents
If we just want to use the PPT as a demo, you just need to perform the Save as in the menu bar, open the Save As dialog box, select the PowerPoint Show (*.pps) option in the Drop-down list on the right side of the save type, enter the filename, save it, This PPT becomes the PPS demo file, double-click Open to play directly instead of editing, as shown:
Second, the editing PPS file
This is very simple, you only need to change the PPS extension to PPT can be edited, if you do not see the PPS extension, you can open the folder where the PPS file resides, and then choose Options on the Tools menu bar to set the hide known file type extensions in the view file The front of the check to remove the PPS file extension can be seen, and then you can change the name.
As shown in Figure I,
As shown in Figure II,