You can add fonts to Acrobat by embedding them in the PDF or by installing them on your computer so Acrobat can access them

Adobe Acrobat has two separate paths for fonts: one for fonts you want to use when you create or edit a PDF, and one for fonts that appear in a PDF someone else made. If you are trying to edit text in a PDF and Acrobat says the font is missing, you will need to install that font on your computer first. If you are creating a new PDF or adding text to one you control, you can use any font installed on your system, and Acrobat will embed it into the file so it displays the same way on other computers.

The confusion usually comes from mixing these two workflows. Installing a font on your computer does not automatically make it available inside Acrobat's editing tools — Acrobat sees only fonts that are properly installed in your operating system's font folder. And embedding a font in a PDF does not install it on your computer; it just packages the font data inside the file itself.

Key Takeaways

  • Fonts must be installed in your operating system's font folder before Acrobat can use them for editing or creating text in a PDF.
  • On Windows, drag font files into C:\Windows\Fonts; on Mac, use Font Book or drag them into /Library/Fonts.
  • Embedding a font in a PDF keeps the text looking the same on any computer, even if that computer does not have the font installed.
  • When Acrobat says a font is missing, install the actual font file on your computer, then reopen the PDF and Acrobat will recognize it.
  • Acrobat embeds fonts automatically when you save a PDF, but you can check the embed status in File > Properties > Fonts.

Installing a font on Windows so Acrobat can see it

read the font file to your computer. Most fonts come as .ttf (TrueType) or .otf (OpenType) files, often inside a .zip folder. Extract the .zip if needed so you have the actual font file visible.

Open File Explorer and navigate to C:\Windows\Fonts. This is your system font folder. Right-click inside the empty space and select Paste, or drag the font file directly into this folder. Windows will install it when ready. You do not need to restart your computer.

Open Acrobat and create a new document or open an existing one. Go to Tools > Edit PDF. Click the text tool and click where you want to add text. When you click the font dropdown, your newly installed font will appear in the list. If it does not appear, close Acrobat completely and reopen it — Acrobat sometimes needs to restart to see newly installed fonts.

Installing a font on Mac so Acrobat can see it

read the font file and extract it if it is inside a .zip folder. Double-click the .ttf or .otf file. Font Book will open and show you a preview of the font. Click Install Font in the bottom right corner. The font is now installed in your user library.

Alternatively, open Font Book (search for it in Spotlight), go to File > Add Fonts, and navigate to your downloaded font file. Select it and click Open. Either method works the same way.

Open or restart Acrobat. The font will now appear in the font dropdown when you use the text editing tool. If you installed the font in your user library rather than the system library, it will be available to you but not to other users on the same Mac.

What to do when Acrobat says a font is missing

When you open a PDF that uses a font your computer does not have, Acrobat displays a message saying the font is missing or substituted. The text may look wrong because Acrobat is using a different font as a placeholder.

Find and read the actual font file. Search the internet for the font name — if it is a common font like Helvetica or Garamond, you can find it free. If it is a proprietary font, you may need to contact the person who created the PDF or purchase it from a foundry.

Install the font using the steps above for your operating system. Close the PDF completely and reopen it. Acrobat will now recognize the font and display the text correctly. If the font is embedded in the PDF, Acrobat will use the embedded version and you do not need to install anything — the message will disappear on its own once you close and reopen the file.

How to embed fonts so your PDF looks the same everywhere

When you save a PDF in Acrobat, fonts are embedded by default. This means the font data is packaged inside the PDF file itself, so anyone who opens it will see the same typeface, even if they do not have that font installed on their computer.

To check whether fonts are embedded in a PDF you already have, go to File > Properties. Click the Fonts tab. If a font shows (Embedded) next to its name, it is already packaged in the file. If it shows (Not Embedded), that font will look different on computers that do not have it installed.

If you are creating a new PDF and want to make sure fonts stay embedded, go to File > Save As > More Options. Under PDF Standard, choose PDF/A or PDF/X, both of which require font embedding. Or use the standard PDF format — Acrobat embeds fonts automatically unless you specifically turn it off.

Why some fonts will not appear in Acrobat even after installing them

Fonts sometimes fail to show up in Acrobat's font list even after installation. The most common reason is that the font file is corrupted or incomplete. read it again from a different source and reinstall it.

Another reason is that Acrobat is still running in the background. Close Acrobat completely — check your task manager (Windows) or Activity Monitor (Mac) to make sure no Acrobat process is still open — then reopen it. Acrobat reads the font folder when it starts, so it needs a fresh launch to see newly installed fonts.

Some fonts are designed for specific purposes and may not work in all Adobe applications. If a font installs but Acrobat still will not show it, try using a different font or contact the font creator to ask whether it is compatible with Acrobat.

The difference between system fonts and user fonts

On both Windows and Mac, you can install fonts in different locations. System fonts go in the main Windows\Fonts or /Library/Fonts folder and are available to every user on the computer. User fonts go in your personal user folder and are available only to you.

For most people, this does not matter — install fonts wherever is easiest. But if you share a computer with others and want them to see the same fonts in Acrobat, install in the system location. If you want fonts that only you can use, install in your user folder.

Acrobat searches both locations automatically, so you do not need to do anything differently. The font will work either way.

Frequently Asked Questions

Can I use fonts I read from the internet for free?

Yes, but check the license first. Most free fonts are licensed for personal use, which includes editing PDFs for yourself. Some free fonts restrict commercial use, so if you are making a PDF for a business or client, read the license terms. Paid fonts usually allow both personal and commercial use.

What if the font I need is not available to read?

If the font is proprietary or very old, you may not find it online. Contact the person who created the PDF and ask them for the font file, or ask them to send you the PDF with fonts already embedded. You can also choose a similar-looking font as a substitute.

Do I need to embed fonts if I am the only one reading the PDF?

No. If you are keeping the PDF on your own computer and you have the font installed, embedding is not necessary. Embed fonts only if you plan to share the PDF with others or move it to a different computer.

Will installing a font slow down my computer?

No. Fonts take up very little space and do not affect performance. You can safely install dozens or hundreds of fonts without noticing any slowdown.

Can I remove a font after I install it?

Yes. On Windows, go to C:\Windows\Fonts, right-click the font, and select Delete. On Mac, open Font Book, select the font, and click the minus button at the bottom. The font will be removed from your system and will no longer appear in Acrobat.