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Fonts changing in files when opened in Illustrator 29.5.1

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I've experienced this twice now, both times in the last month. I design beer labels and I'll often open an older label and use it as the template for a new one. When I open the older file (an .AI file), it will load, and most of the live text will have switched to a different font arbitrarily. Some fonts switch to OTHER typefaces that exist in the same document, others switch to different weights of the same font, and still others switch to defaults like times and myriad. Some of the switched fonts are stored locally, and others are served via Adobe Fonts. The file does this consistently even after I've restarted illustrator and restarted my computer.

I've attached a screenshot of one of the files with its original fonts (from an outlined version for print), as well as a shot with the changed fonts.

Has anyone else experienced this?

System:

2022 Mac Studio M1 Max

MacOS Sonoma 14.6.1

Illustrator v 29.5.1

Anubhav MCorrect answer

Community Manager

Hello everyone,

Our team has attempted to resolve this issue in the latest Illustrator 30.x and 29.x releases. Kindly update to the latest version of Illustrator and try opening your files to see if the problem persists.

Anubhav

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Kylie38184007n56r

Participant

I'm having the same issue and all of my typefaces are local. Files created on 29.1 are showing the correct typeface, but when I open them in 29.5, they are randomly changing so something else - sometimes it's a typeface that's used in other places in the doc and sometimes it's a completly new typeface with a completly different weight. AND it can be multiple times in one text block. As an example, the front half of this block changed to Gotham Bold when the full thing should be Trade Gothic Regular.
Reverting back to 29.1 does fix the issue - but that's not a long term solve.

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Anubhav M

Community Manager

Hello @Kylie38184007n56r,

Could you share a link to a sample file, along with screenshots of the problem, after uploading it to a file-sharing service, so I can check it on my end?

Looking forward to hearing from you.
Anubhav

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Lavish_coder1549Author

Known Participant

You didn't address this to me, but I figure I can provide my file with some context.

Here's a drive link to an .AI file that's been untouched since Jan. 7 2025:

https://drive.google.com/drive/folders/16yJY7nj8oEpxeLMgJeALE6ViCwouAQmV?usp=sharing

When I open it, the fonts are switched around seemingly at random, and the switch pattern is not exactly the same as the switch happening on other files with the same layout and typefaces. The fonts ONLY switch to other fonts that exist elsewhere in the document or default to Myriad or Times.

I've also included a screenshot of the affected text block as it appears when I open the file in AI 29.5.1

One thing that I did not mention in my original post is that I use FontBase to manage my installed fonts.

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Brad @ Roaring Mouse

Community Expert

Mixing fonts between Adobe Fonts and locally-installed is a potential problem; Make sure you are getting your fonts from the same source each time....especially if you have "Auto Activate Adobe Fonts" turned on in File Handling. If you are sure the fonts came from Adobe Fonts in the file that was "good", it's better in the long run to go to the website and make sure the whole family is properly activated there. And if there are local fonts, especially if they came from a different source (say Google Fonts), you might have to deactivate them so they won't conflict....this can easily confuse fonts/styles.

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Lavish_coder1549Author

Known Participant

I've definitely had problems with font versions differing between Adobe and local installs. I should probably be more sanitary with removing local fonts when I use the Adobe versions. Thanks!

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Bobby Henderson

Community Expert

Are any of the fonts in the older Illustrator files styled using Postscript Type 1 fonts? Are any variable fonts used? Are the files being edited on more than one computer? I'd be tempted to delete the font data cache to make the computer re-build it. I suppose it's possible there could be some corruption in the file.

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Lavish_coder1549Author

Known Participant

• This example file was initially created this past March, and all of these fonts seem to work fine in other labels with the same layout and type styling. No variable fonts.

• It's possible this file was edited on my macbook pro at some point, that's an avenue i'll explore.

• I'll try deleting the font data cache as well.

Thanks!

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johnb68533364

Participating Frequently

Hello Illustrator community: When opening a PDF (editable in Illustator), random text boxes have changed fonts. It's not all of a certain font (some remain accurate), but just some. Here's an example: "Your everyday bank" was in Trajan font, and changed to Iowan Old Style. "We were so blown away..." was in Bebas Neue Pro and changed to Trajan. And ideas? Right now, I'm forced to select the text, change the fonts, and re-save.

(I'm using Illustrator 29.5.1)

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Bobby Henderson

Community Expert

That application behavior does sound pretty strange. One text object is switched from Trajan to something else while another text object is switched to Trajan. Weird. This raises all sorts of questions.

Are all the fonts used in the document fonts that are synced via Adobe Fonts? Are the fonts installed locally in the operating system? Or is the document using a mix of both? Has the Illustrator document only been edited on one computer system? If it has been opened, edited and re-saved on more than one computer system that could create another avenue of font substitution issues -especially if the file is jumping computing platforms between OSX and Windows. Different computers may be using different builds of the same fonts or slightly different typefaces, such as regular Trajan Pro versus Trajan Pro 3.

When the PDF is opened in Illustrator does the application display a missing fonts dialog box? Or does it just simply change the fonts applied to text objects without warning?

Do you have a copy of the same file in Illustrator .AI format? If so, does that file also have the same font substitution problems?

Various technical problems can cause glitches to happen with fonts. Sometimes the issues can be fixed simply by rebooting the computer. If the issue involves synced Adobe Fonts try signing out of the Creative Cloud account, rebooting and then signing back in again. That can force a refresh of account sync.

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johnb68533364

Participating Frequently

Thank you for the thoughtful reply. Yes, I use two Macs. Both use Adobe fonts. Both sync via iCloud. It looks like another user is having the same issue with 29.5. Hopefully they'll correct it soon.

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stevedowd

Participant

I am have an issue with fonts randomly changing in style and format on recalled files done approx a month back doe anyone know what would be causing this see scren shot of image to left circled areas have changed...pdf done at the time the fikle was created is fine.

I saw a note aboit turning off enable missing Glymph protection but this has not helped.
Appreciate any feedback from anyone who has had this issue and found a solution

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Bobby Henderson

Community Expert

Do you get any missing fonts warnings when opening the file? I can't tell for certain which condensed typeface was used in the original example. Maybe a style of KnockoutHTF? It's pretty strange the affected type objects are getting changed to what looks like Montserrat.

Does the document use any Postscript Type 1 fonts? Those are no longer compatible with Adobe applications. Some fonts can have technical problems, and even get updates to fix bugs. I've experienced technical problems with certain type families downloaded from Google Fonts; months later I'd download another copy and find the bugs fixed.

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stevedowd

Participant

thanks Bobby it is a bit wierd no missing font warning and no type one fonts used....so we do not actually get the opportunity to update or correct

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takadad86698400

Participant

In Illustrator CC2025, when I try to edit text after changing the font, it automatically reverts to the previous font.
Is there a setting to prevent this behavior, or is this a known bug?

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Monika Gause

Community Expert

Are you already using the latest version?

29.5.1?

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