Presentations · Glossary
Should slides have page numbers?
Usually, yes. A slide number is the small figure in a corner that shows a slide's position in the deck, and it lets an audience ask about slide twelve instead of the chart with the blue bars. Numbers matter most in meetings, reviews and any deck that will be read or discussed afterwards.
Slide numbers cost almost nothing and save real time the moment someone has a question or a reader wants to point to a page. The cases where they hurt are fewer than designers tend to think, and mostly limited to stage talks built for visual drama.
Indunil Asanka · Co-founder
5 min read · Published
| Setting | Number the slides? | Why |
|---|---|---|
| Board or committee meeting | Yes | Members refer to pages in discussion and in the minutes |
| Sales or client review | Yes | Questions and follow up emails cite slides |
| Training session | Yes | Learners find their place in the handout |
| Investor pitch sent as a file | Yes | Readers leave comments by page |
| Conference talk | Usually | Questions at the end can name a slide |
| Keynote on a large stage | Often no | Full screen visuals and few questions from the floor |
| Looping display or kiosk | No | Nobody navigates or asks about a slide |
A small reference with a large job
The number in the corner does less for the presenter than for everyone else. In a meeting it turns a vague question into a precise one, lets the minute taker record which page a decision relates to, and lets a remote participant say go back to fourteen without describing the slide. After the meeting it lets a reader write a comment against page nine that the author can find in seconds. PowerPoint adds numbers through the Header and Footer settings, and it offers a Don't show on title slide option, which reflects the common convention that a cover carries no number. The starting number can also be changed, which matters when a deck is inserted into a longer pack.
Showing a total, or not
Some presenters show a count, such as slide 4 of 20, so the audience can judge the pace. It reassures a room in a long session and helps a reader estimate how much is left. Microsoft states plainly that PowerPoint can number slides automatically but cannot automatically show a count like slide 2 of 12; the total has to be typed on the master and updated by hand when slides are added. That maintenance is where totals go wrong. The other cost is psychological: a visible total invites people to count down, and a slide 31 of 48 on a long training day can feel heavier than the content deserves. A plain number is the safer default.
When numbers matter most
Numbers matter most when a deck outlives the talk. Board packs, proposals, training handouts and any PDF sent afterwards are read without the presenter, and the page number is the only shared way to point at something. They matter in video meetings, where a presenter who cannot see the audience relies on people naming slides. They matter in training too, where a learner who drifts for a minute can find the right page in the handout by glancing at the corner of the screen. They matter less in a short, visual talk where the slides are supporting images rather than documents. A university library guide on slide design makes the broader point that slides exist to help an audience visualise what the speaker is saying, so anything in the corner should serve that purpose or stay small and quiet.
Common mistakes
The first mistake is typing numbers by hand, which falls out of order the first time a slide is inserted. The second is numbers so small or low in contrast that nobody past the second row can read them, which defeats the purpose. The third is a logo, a camera overlay or a decorative band covering the corner where the number sits. The fourth is renumbering appendix slides from one, so two slides in the same file are both slide three. The fifth is sending a revised deck after people have already commented on page numbers from the first version, without a date or version on the cover to tell the two apart.
How page numbers work in the slide builder
Most templates carry a theme footer, a band 106 pixels tall along the bottom of the canvas with a section label on the left and the page number on the right; 334 of the 369 templates use it. Page numbers are automatic and zero padded, so slide 4 shows as 04. The section label can be overridden per slide, and that change is saved. The editor has toggles to hide the page number and the section label, but they affect the editor canvas only and reset on reload: present mode, the exports and the share viewer show the page number and hide the section label by default. A slide that must carry no number needs one of the templates without the footer. There is no slide 4 of 20 count on the slides; the popped out notes window shows the slide number and total to the presenter only.
Questions people ask
Should the title slide have a number?
Conventionally, no. The cover is up while people settle and nobody asks a question about it, so a number there is clutter. It still counts as slide one, which means the first content slide is numbered two. Most readers find that natural, since the page number matches the page position in a PDF viewer.
Where should the slide number go?
Bottom right is the most common position and the one readers look for first. Keep it in the same place on every slide, clear of content, and away from the corner a video call places your camera image in. Wherever it goes, consistency matters more than the exact corner, because people learn the position within a few slides.
How should appendix slides be numbered?
The simplest approach is to keep counting, so the appendix follows the main deck and every page in the file has a unique number. Some teams prefer a separate sequence such as A1, A2 and A3 to signal the backup material clearly. Either works, as long as no two slides in the same file share a number.
Does a five slide deck need numbers?
It needs them less, since people can point to a slide by its title in a deck that short. They are still harmless and worth keeping if the deck will be discussed, commented on or sent as a file. Leave them off only when the deck is purely visual and will never be referred to afterwards.
What happens to references when slides are reordered?
Automatic numbers update, which keeps the file right but breaks any earlier comment that said see slide nine. If people have already reviewed a version, add a version number or date to the cover of the new one and mention which slides moved, so their notes can still be matched to the right pages.
How large should a slide number be?
Large enough to read from the back of the room, small enough not to compete with the content. A size close to the smallest text elsewhere on the slide usually works. Check it on the actual screen or projector before the talk, since a number that is legible on a laptop can disappear on a washed out projector.
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