Follow the given steps to insert the Flash Movies
into PowerPoint Slides:
Make sure before inserting the Flash Movies into
PowerPoint slides that you have installed the Flash Player on your
computer.
First of all open the presentation in which you
want to insert Flash movie file.
Now click on "Toolbar" option from the "View"
menu and choose the option "Control Toolbox".

Here a small floating menu will appear with the
title "Control Toolbox".

Using "Control Toolbox" toolbar, click on the
icon that looks like hammer for more controls and scrolling the objects
then choose the object "Shockwave Flash Object".

Now using your mouse pointer, draw the box size
and position where you want to play a flash movie.
Now right click on box and select the
"Properties" option.

A small properties dialog box will appear with different
options.
Under the Alphabetic tab, click the option "Movie" and
type the full file path of flash movie in blank cell next to Movie (for
example d:\flash_file).

Again under same tab, set the property "True" for "Playing"
and "EmbedMovie" objects to add and play the flash file automatically
with slide. Here you can also set the Quality, Width, Scale and Windows
Mode objects for flash file.

Finally close the "Properties" dialog box. Save your PowerPoint
presentation and run it for test.