Click File>Save Document As>Microsoft
PowerPoint Presentation or the Save button on the
main toolbar. Click the arrow next
to the Save button and choose a saving format from the list.
If there is no suitable format in the list, click Save to Other
Formats…, and, in the dialog box that opens, select the desired
Tip. Additional saving options are available in the
Options dialog box: select Tools>Options…,
click the Save tab, and then click the PPTX tab.
The saving options on this tab are grouped into the following