After we save powerpoint presentation, we must know how to open a file or to call back at any time that presentation file we need, how we do it ?

The way is, usually we have to first enter the program powerpoint, after entering the program, do the following:

1. Click the button microsoft office

2. Click "Open"

3. Find the folder where the file, we save the presentation by pressing the arrow keys on the bottom line "in the file"

4. Click "Files that we are open"

5. Click "Open