recover overwritten file

[learms]

my power point presentation file have been overwrited with the older version
of the file.how can i recover that file?.

 

[Luc]

Learms,
I'm afraid that it is gone, always a good thing to have an independant
back-up.
Luc

 

[Luc]

Learms,
Also consider this add-in, it will keep different versions of your
PowerPoint file so you can revert back.
http://skp.mvps.org/seqsave.htm
Luc