supported audio and vido format in powerpoint

Switch between outline and slide view	Ctrl + Shift + Tab
Insert a new slide	Ctrl + M
Duplicate the current side	Ctrl + D
Display the font dialog box	Ctrl + T
Change case	Shift + F3
Show or hide the grid	Shift + F9
Show or hide the guides	Alt + F9
Run a presentation	F5
Activate the pen tool during a show	Ctrl + P
Erase pen tool drawings during a show	E
Turn off the pen tool	Esc
Change the pen to a pointer	Ctrl + A
Hide the pointer or pen	Ctrl + H
Make the screen go black during a show	B
Make the screen go white during a show	W
Stop or restart an automatic  show	S
During presentation, Go to slide number	Slide number + Enter
Insert hyperlink	Ctrl + K
Help	F1
Spellcheck	F7
Opens Save As dialog box	F12
Stop the show. Press S again to restart the show	S
End the slide show	Esc
Group Items (with items selected) Ctrl + G Ungroup Ctrl + Shift + G