What is a presentation share link?

A window onto a file that stays put

The useful way to think about a link is as a window onto a deck that never leaves the owner's account. Most tools offer two kinds of window. A view only link lets people watch or page through the deck, while an edit link lets them change it. In PowerPoint, sharing with the Allow editing box unticked produces the view only kind, and PowerPoint for the web can also mark a presentation as read only. Some tools go further and restrict a link to named people who must sign in. Whatever the variant, the principle is the same: the recipient borrows a view of the current deck, and nothing they do with the link creates a second copy that drifts away from yours.

How updates reach the people holding it

Because every viewer looks at the same deck, a correction made once reaches everyone. Fix a wrong figure on slide six, save, and the next person to open the link sees the right number, including someone who was sent the address a month ago. That is the strongest argument for links over attachments in any deck that changes: price lists, project status, sales material and onboarding decks. The same property cuts the other way. A deck used to record what was agreed at a meeting no longer shows what was agreed if it keeps changing afterwards, and a viewer who opens the link mid edit may meet a slide that is half rewritten, depending on how the tool decides what counts as the current version. Tools that serve only saved versions avoid that last problem, because a viewer sees only what the owner deliberately saved, which is also a good reason to save at the end of a coherent change rather than halfway through one.

When a link wins and when a file does

A link wins for recurring updates, for large decks that would bounce as attachments, for audiences who only need to watch, and for anyone on a device without presentation software. A file wins when the viewer will be offline, such as on a flight or at a venue with unreliable wifi, when the deck is a record that must not change after a date, when the recipient is going to edit and present it themselves, and when a tender portal or an application form asks for an upload. Many presenters send both: the link as the living version, and a dated PDF as the record of what was actually shown.

Common mistakes

The first mistake is treating a view only link as private. Anyone who receives the address, including through a forwarded email or a pasted chat message, can open it. The second is assuming view only hides everything that is not on the slides, when some viewers expose notes or other material. The third is editing a live deck while a client is presenting from the link, so their slide changes under them. The fourth is relying on a link at a venue with poor connectivity instead of carrying a file as a backup. The last is forgetting that a link keeps working long after the project ends, still showing prices or names that were meant to be temporary. A short list of which decks have live links, reviewed when a project closes, prevents that.

How the slide builder's share link behaves

Each deck has one share link, and it does not change, so the address sent in March still works in September. It is read only and serves the deck's current saved version: edits made since the last save are invisible to viewers until Save is pressed. The link opens the same full screen presentation view the presenter uses, with transitions, and no editing controls. Disabling the deck makes the link return a not found page, which is the way to withdraw it. One behaviour needs planning around: the notes toggle is not switched off for shared viewers and the shared data includes the notes, so anyone with the link can press N and read every speaker note. Keep anything confidential out of the notes of a deck you share.

Questions people ask