Check who access Powerpoint file

M

Maggie

Platform Office 2003 PowerPoint
I put a Powerpoint Presentation on shared drive.
Then I tried to update it. However, when I open, it give warning about
" Powerpoin.ppt file is being modified by . Do you want to open a read-only
copy?"
It didn't mention who's modifying the file. Where can I see who's modifying
the file then I can email the person?

Thank you.
 
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