An illustration of a typical result. No real file, name or location is used.
Before — what you would be sending
investor-deck.pptxPPTX
Original authora.whitfield
CompanyNorthgate Partners LLP
CommentsThis document still contains reviewer comments
After cleaning
investor-deck-clean.pptxPPTX
Original authorremoved
Companyremoved
Commentsremoved
Speaker notes and hidden slides are content, not metadata — those stay for you to remove.
Decks get forwarded
More than any other format, a slide deck is passed on. Each recipient sees the same properties: who made it, which company they work for, when it was last touched and how many revisions it went through. A deck sent to a client is often forwarded internally three or four times before anyone reads it closely.
What else hides in a deck
Speaker notes, which are frequently far more candid than the slides. Slides hidden from the presentation but still in the file. Objects dragged off the edge of the canvas, which are invisible on screen and fully present in the file. Comments from reviewers.
What cleaning does here
Blanks the document properties and removes comment parts. Speaker notes, hidden slides and off-canvas objects are content, not metadata, so they are left alone. Delete those yourself before you send the deck out.
In practice
Finding objects dragged off the canvas
Objects moved outside the slide area are invisible when presenting and fully present in the file. To find them, open the Selection Pane — on the Home tab under Arrange — which lists every object on the slide whether or not it is visible. Anything you do not recognise is worth looking at. Presenters park draft charts and earlier numbers there and forget them.
Speaker notes are the real exposure
Notes are where the candid version lives: what not to say, which number is soft, who in the room to watch. They are invisible in the presentation and plainly visible to anyone who opens the file. Before a deck goes outside, open the notes view and read every slide's notes, or export to PDF without notes, which removes them entirely.
Hidden slides stay in the file
Hiding a slide excludes it from the slideshow and nothing else. It remains in the document, appears in the thumbnail rail, and is one right-click from being unhidden. Decks routinely carry a hidden appendix of pricing or internal projections that was hidden rather than deleted because it might be needed. Delete it and keep a separate internal copy.
Common questions
Are speaker notes visible to recipients?
Yes. Anyone who opens the file can read them. They are only hidden during presentation.
Do hidden slides stay in the file?
Yes. Hiding a slide only excludes it from the slideshow. It is still in the document.
Does cleaning remove speaker notes?
No. They are content rather than metadata. Remove them yourself if the deck is going outside.