Change part of a finished deck
Slides & TalksUsing AI
Change only the slides you name, leaving the master, fonts and colours of the deck alone.
Fill the blanks and it copies as you filled it
Leave the slide master, fonts and colors of the open file alone and only do the following. Delete any line that doesn't apply. - On slide , turn the bullets into a diagram - Change only slide to and leave every other slide alone - Change slide to a layout
0 of 5 blanks filled · anything left blank copies with its brackets
Naming the slide numbers keeps the model from regenerating the whole deck.
What this prompt does
Compared with asking the same thing without the length and format lines.estimate
Estimated output tokens
700
Asked loosely
700
This prompt
Energy (Wh)
1.215
Asked loosely
1.215
This prompt
Tokens estimated from characters; energy measured by Jegham et al. 2025.
A shorter answer, but the same energy band — the measurements are per band.
Reported backfire — Specifying output formatA 78% increase in one GPT-4o scenario. The paper classifies this one as apply-selectively
Where these figures come from
Published figures for the rule itself — not what this prompt saves.
Specifying output format
49%mean reduction · 95% CI 37–61%
Podder et al. 2026 BP#6 · 14 use cases / 45 prompts
by modelGPT-4o 40%Command R+ 50%Mistral-7B 57%