# Best fonts for presentations: what to pick, what size, and how to keep them intact > For most work decks, use one plain sans serif font or two at most, one for headings and one for body text, set body text at 18 pt or larger and pick fonts that the people opening the file actually have. Microsoft's accessibility guidance names Arial and Calibri as familiar sans serif fonts, and Aptos is the Office default. A PowerPoint file normally stores the font name, not the font, so a missing font is replaced and text can run wider or narrower. Embed fonts where the license allows it, or send a PDF. - Source: https://ai-presentations.com/guides/best-fonts-for-presentations/ - Updated: 21 October 2026 - Language: English - German version: https://ai-presentations.com/de/ratgeber/schriftarten-fuer-praesentationen/ The **best fonts for presentations** are plain sans serif fonts, used as one font or two, set large enough to read from the back of the room and available on every computer that opens the file. For most work decks that means Calibri or Arial. This guide covers what to pick, how to pair fonts, what size to set and how to stop fonts changing when a PowerPoint file lands on someone else's computer, which is where most font trouble starts. ## Which fonts are best for presentations? No font is best on its own. A good presentation font passes four tests: - **Readable at size and distance.** Look for open letter shapes and a clear difference between look-alike characters such as a capital I, a lowercase l and the digit 1. - **Has the weights you need.** At least regular and bold, so you can build hierarchy without a second font. - **Has the characters you need.** Type a test line with accented letters, ß, the € sign, typographic quotation marks and a column of numbers. - **Is available where the deck is opened.** Installed, embedded or a cloud font, as explained below. Microsoft's [accessibility guidance for PowerPoint](https://support.microsoft.com/en-us/accessibility/powerpoint/make-your-powerpoint-presentations-accessible-to-people-with-disabilities) asks for sans serif fonts to reduce the reading load and names Arial and Calibri as familiar examples. Microsoft also says on its [page about the new Office theme](https://support.microsoft.com/en-us/office/new-office-theme-e7bbfe02-d1fb-4c4d-b3b7-6a47f0cefd3f) that Aptos is the default font across Office. | Situation | Safe pick | Why | | --------------------------------------------- | ----------------------------------------------------------- | ----------------------------------------------------------------------------------- | | Everyday decks that others open in PowerPoint | Calibri or Arial | Microsoft's accessibility guidance names both, and both are on the cloud fonts list | | Decks in the current Microsoft 365 look | Aptos | The Office default, and listed among Microsoft's cloud fonts | | A formal look for headings | Georgia or Cambria for headings, a sans serif font for text | Serif headings give contrast; both are on the cloud fonts list | | A brand font from your guidelines | The brand font, set in the theme, plus a named fallback | See the sections on missing fonts below | | A design-led pitch or agency deck | An open sans serif family with several weights | Install it on every computer, embed it or send a PDF | The first two rows rest on Microsoft's own pages. The last three are editorial advice, not Microsoft rules. Avoid script and decorative fonts for anything people have to read, because they cost reading speed exactly where the deck needs it. ## How many fonts should I use? Two: one for headings and one for body text. The **3 font rule** is a rule of thumb from design practice, not a Microsoft rule, and it caps a deck at three fonts. A work deck rarely needs the third. PowerPoint's own theme has two font slots, because the Create New Theme Fonts dialog asks for a heading font and a body font. Build hierarchy with size, weight and color instead of more fonts. A single family also works: use its regular and bold weights, or pair a display cut with the text cut, as with Aptos Display and Aptos, both on Microsoft's cloud fonts list. If you do pair two families, pair by contrast. Two sans serif fonts that look almost alike read as a mistake, while a serif heading over a sans serif body, or one family in two weights, reads as a decision. The glossary entry on [visual hierarchy](https://ai-presentations.com/glossary/visual-hierarchy/) explains the idea behind it. > **Avoid: Four fonts, formatted by hand** > > A script font for titles, a serif for quotes, a rounded font for labels and the default for body text, each picked in a single text box. > **Do: Two theme fonts, hierarchy from size and weight** > > One heading font and one body font set in the theme. Bold and size separate title, subtitle and text, and a change on the master reaches every slide. ## What font size should I use? Set body text at 18 pt or larger when you present the deck. That is Microsoft's accessibility guidance, which also asks for sufficient white space and sufficient contrast between text and background, and which offers an Accessibility Checker under **Review → Check Accessibility**. Guy Kawasaki's 10-20-30 rule is stricter and asks for 30 pt, but it was written for investor pitches. The guide to [presentation rules](https://ai-presentations.com/guides/presentation-rules/) shows where it helps and where it misleads. | Element | Starting point | Note | | ---------------------------- | ----------------------------- | ----------------------------------------------------------------------------- | | Slide title | 28 to 40 pt | A full-sentence title often needs two lines, so cut words before you cut size | | Body text and bullets | 18 to 24 pt | 18 pt is Microsoft's floor | | Chart labels and table cells | As large as the layout allows | Check from the back of the room; if you cannot read them, show fewer rows | | Sources and footnotes | Smaller than body text | Still readable on your own screen at normal zoom | These ranges are starting points from our own practice, not rules. If text does not fit at 18 pt, shorten it or split the slide. Shrinking the font is the fix that makes the deck harder to read. A deck people read on their own screens, a [pre-read](https://ai-presentations.com/glossary/pre-read/), can carry denser tables and smaller text than one you present, so decide which one you are building before you set sizes. To check whether text will be readable at the back of the room, use the [font size calculator](https://ai-presentations.com/tools/font-size-calculator/). For text on colored backgrounds, the [slide contrast checker](https://ai-presentations.com/tools/slide-contrast-checker/) tests the color pair. ## How do I set fonts in PowerPoint so they stay consistent? Set them in the theme on the slide master, not text box by text box. The desktop app is required, because PowerPoint for the web has no slide master. **Steps** 1. Open **View → Slide Master** and select the top thumbnail, the master. 2. On the **Slide Master** tab choose **Fonts → Customize Fonts**. 3. In the Create New Theme Fonts dialog pick the heading font and the body font, name the set and select **Save**. 4. Choose **Close Master View**. 5. For text that still has an old font, select it and choose Theme Headings or Theme Body at the top of the font list on the **Home** tab. To swap one font for another across the whole deck, use **Home → Editing → Replace → Replace Fonts**. The details of the master are in the [slide master guide](https://ai-presentations.com/guides/slide-master/), and the [corporate design template guide](https://ai-presentations.com/guides/corporate-design-powerpoint-template/) shows how to turn the result into a template your team can reuse. Microsoft describes the steps on its page about [changing the fonts in a presentation](https://support.microsoft.com/en-us/powerpoint/change-the-fonts-in-a-presentation). ## Why do my fonts change on another computer? Because a PowerPoint file normally stores the name of each font, not the font itself. When the computer that opens the file does not have that font, PowerPoint substitutes another one. The substitute often has different letter widths, so text runs wider or narrower, lines break in new places and a title that fit on two lines needs three. Microsoft's page on [embedding fonts](https://support.microsoft.com/en-us/office/fonts/benefits-of-embedding-custom-fonts) addresses this case: you share a file with someone who does not have the fonts installed that you have. Office cloud fonts are the exception. Microsoft hosts many Office fonts in the cloud, and [its cloud fonts page](https://support.microsoft.com/en-us/office/cloud-fonts-in-office-f7b009fe-037f-45ed-a556-b5fe6ede6adb) says they are available to Microsoft 365 subscribers whose device is online. A cloud font downloads when a file needs it. The list includes Aptos, Arial, Calibri, Cambria, Courier New, Georgia and Garamond, among many others. If a cloud font does not arrive, Microsoft advises making sure your IT admin has not blocked . On Windows, also check under **File → Account → Manage Settings** (Account Privacy) that Optional connected experiences is on, because clearing it turns cloud fonts off. | Option | How | Works when | Watch out for | | ---------------- | --------------------------------------------------- | ------------------------------------------- | ------------------------------------------------------------------- | | Use a cloud font | Pick Calibri, Arial, Aptos and similar | The reader uses Microsoft 365 and is online | Needs a subscription and internet access; IT can block the download | | Embed the font | **File → Options → Save → Embed fonts in the file** | The font allows embedding | Larger file; not every font can be embedded | | Send a PDF | Save or export the deck as PDF | The reader only needs to read | Nobody can edit it | | Install the font | You or IT install it on each computer | You control the computers | Check the license first | > **Tip: Open the file somewhere else before you send it** > > Open the deck on a second computer and scan the title slide and the densest slide for changed fonts and new line breaks. If you present from a computer you do not control, take a PDF copy as a backup. ## How do I embed fonts in PowerPoint? Use the Save options on Windows, or Preferences on a Mac. **Steps** 1. On Windows, choose **File → Options → Save**. 2. Under **Preserve fidelity when sharing this presentation**, tick **Embed fonts in the file**. 3. Choose **Embed only the characters used in the presentation** for a smaller file, which limits editing with that font, or **Embed all characters (best for editing by other people)** if the file will be edited. 4. Select **OK** and save the file. On a Mac, PowerPoint for Microsoft 365, 2024 and 2021 embed fonts too, with the settings under **PowerPoint → Preferences → Save**, as Microsoft's page on fonts that [cannot be saved with a presentation](https://support.microsoft.com/en-us/powerpoint/some-of-your-fonts-can-t-be-saved-with-the-presentation) names them. Not every font can be embedded. Microsoft says not all TrueType fonts can be embedded, prefers OpenType (.otf) or TrueType (.ttf) and advises avoiding PostScript fonts (.pfb, .pfm). A font cannot be saved with the presentation if its type is unsupported or its creator did not grant permission. On Windows, **Control Panel → Fonts** shows each font's embeddability. Embedding is also a license question: embed only fonts whose license allows it. ## What happens to fonts in a deck built with AI? The font you choose in the editor is the font each export uses. PowerPoint and Word files name it as you chose it, and PDF, PNG and JPG are drawn with the editor's own fonts, so they look the same on every device. The editor offers 143 font families, nearly all under the SIL Open Font License, which allows commercial use and embedding in documents but not selling the font by itself ([license FAQ](https://openfontlicense.org/ofl-faq/)). Calibri, Arial, Times New Roman, Cambria, Courier New and Georgia are drawn with metric-compatible look-alikes, for example Carlito for Calibri, and named as the Office font in the file. Metric-compatible means the look-alike has the same character widths as the original, so lines break in the same places in PowerPoint. Brand fonts work too. On the Brand page you can upload up to 12 fonts as TTF, OTF, WOFF or WOFF2 files of up to 2 MB each, and the editor, PDF, PNG and JPG use them while the brand is active. PowerPoint and Word files name the font, so it shows on every computer where it is installed. Upload only fonts whose license allows it. When you open a .pptx, fonts embedded in the file are used. To change a font on every page at once, ask the AI. **Prompt: One heading font and one body font for the whole deck** ```text Restyle the whole presentation with two fonts: [heading font] for titles and [body font] for all other text. Set body text to 18 pt or larger, keep titles clearly larger than body text, and leave colors, texts and slide order unchanged. If a slide gets too full at that size, shorten the text or tell me which slide should be split. At the end, list the slides where the text now wraps differently. ``` The AI applies the change to every page in one request. Treat the result as a first version and check long titles and tables on every page, because a different font changes how text wraps. How an existing design carries over is described on the page about [AI presentations in your company template](https://ai-presentations.com/ai-presentation-company-template/). **Key takeaways** - Use one plain sans serif font or two at most, one for headings and one for body text, and set them in the theme. Calibri and Arial are safe starting points, and Aptos is the Office default. - Set body text at 18 pt or larger, as Microsoft's accessibility guidance asks, and cut words instead of shrinking the font. - A PowerPoint file stores font names unless you embed them, so use a cloud font, embed the font where the license allows it, or send a PDF. - In the editor, Calibri, Arial, Times New Roman, Cambria, Courier New and Georgia come with metric-compatible look-alikes, and PDF, PNG and JPG look the same on every device. ## Frequently asked questions ### What is the best font for a presentation? There is no single best font, but a plain sans serif font is the safe default. Microsoft's accessibility guidance names Arial and Calibri as familiar sans serif fonts, and Aptos is the default font across Office. Choose a font that stays readable at a distance, has regular and bold weights, covers the characters you need and is installed on, or embedded for, the computers that open the file. ### What is the 3 font rule? It is a rule of thumb from design practice: use no more than three fonts in a deck. For a work deck two are enough, because a PowerPoint theme has one slot for headings and one for body text. Build hierarchy with size, weight and color instead of adding a third font. ### What font size should I use in PowerPoint? Microsoft's accessibility guidance asks for 18 pt or larger. Make titles clearly larger than body text. If text does not fit at 18 pt, shorten it or split the slide instead of shrinking the font. A deck that people read on their own screens can carry denser tables than one you present, but test it at normal zoom. ### Why did my fonts change when I opened the PowerPoint on another computer? A PowerPoint file stores a font by name unless you embed it. If the other computer does not have the font, PowerPoint substitutes another one, and text can run wider or narrower and break in new places. Office cloud fonts download automatically for Microsoft 365 users who are online. For other fonts, embed them, install them on the other computer or send a PDF. ### How do I embed fonts in PowerPoint? On Windows, choose File, Options, Save, tick Embed fonts in the file under Preserve fidelity when sharing this presentation, then pick Embed only the characters used in the presentation or Embed all characters, which Microsoft recommends if others will edit the file. On a Mac the setting is in the Preferences dialog (PowerPoint, Preferences, Save). Not every font can be embedded, and the font's license has to allow it. ### Which font does the exported PowerPoint file use? The font you chose, by name. Calibri, Arial, Times New Roman, Cambria, Courier New and Georgia are drawn with metric-compatible look-alikes and named as the Office font in the file, so lines break in the same places in PowerPoint. PDF, PNG and JPG are drawn with the editor's own fonts and look the same on every device. ## Related pages - [Corporate design template](https://ai-presentations.com/guides/corporate-design-powerpoint-template/): Where to find your company's PowerPoint template and how to build a corporate design template with theme colors, fonts, logo and layouts, then share it. - [Slide master in PowerPoint](https://ai-presentations.com/guides/slide-master/): Open, edit and save the slide master in PowerPoint: fonts, colors, logo, layouts, placeholders and footers, with exact menu paths and fixes for common problems. - [Presentation rules](https://ai-presentations.com/guides/presentation-rules/): What the 10-20-30, 5-5-5 and 7-7-7 rules say, where each one helps, where it misleads and which are worth following in a work deck. - [Visual hierarchy](https://ai-presentations.com/glossary/visual-hierarchy/): Visual hierarchy is the arrangement of elements so the eye reads them in order of importance. Definition, the five signals and how to apply them on slides. - [Font size calculator](https://ai-presentations.com/tools/font-size-calculator/): Free font size calculator for presentations: enter the screen size and the farthest viewer's distance, get the smallest title, body and footnote size in points. - [Slide contrast checker](https://ai-presentations.com/tools/slide-contrast-checker/): Check the WCAG 2.2 contrast ratio of two slide colors. See AA and AAA results for text and charts, a live slide preview and the nearest colors that pass. --- ai-presentations.com is published by Slaide (https://www.slaide.de), a sole proprietorship run by Nathalie Scholl in Heilbronn, Germany. [How this site is written, checked and corrected](https://ai-presentations.com/editorial-policy/).