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Lavish_coder1549
Known Participant
May 10, 2025
Answered

Fonts changing in files when opened in Illustrator 29.5.1

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 M
Anubhav MCorrect answer
Community Manager
November 11, 2025

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

303 replies

Participant
September 8, 2025

I am having the same problem. I recently installed Adobe Illustrator en/ar version, because I needed access to the Arabic font direction text options. I don't exclusively work on Arabic documents, but had several projects come in, so had to switch over.

I've  only seen this issue on artwork files that were made in previous versions  of Illustrator, and the font switch is inconsistant - not every instance is replaced, but definately enough instances to make it very irritating. I work in an FDA regulatated enviroment, and fonts swapping without any notification is completely unacceptable. 

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Participant
September 8, 2025

This happens to me also. It's driving me crazy! Please help, I can't work like this!

 

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Participant
September 5, 2025

This is happening to me too!!! It happened once, and I thought it was some freak thing, but now it's happened again and I'm really frustrated. See attached 2 files. A is how it was originally designed and how it appears in Adobe Acrobat. B is how it's re-opening in Illustrator. 

 

Can I have a de-bug session too?

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Participant
September 3, 2025

I have the exact same problem. I tried opening it with Adobe 2024, but the same thing happened.

I hope you fix this soon, as it affects tons of projects and the workload.

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Participating Frequently
September 3, 2025

G. C.34684083a2u4 - Files started in or duplicated from any version beyond Illustrator 29.4 are potentially HOSED,. Any files created or saved with any version after 29.4 should be avoided.   Files originally created in 29.4 or any previous version of Illustrator will be fine, and will not experience the deadly random font substitution bug that Adobe has been unable to fix thus far.

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Alexander Rott
Known Participant
September 2, 2025

This is still an issue??! I rolled back to 29.4 and haven't checked this thread for a while. 

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kiml66753721
Participating Frequently
September 2, 2025

Unfortunately, yes. Adobe responded on 8/18 that they're still working on it 😞

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fluke-d
Participating Frequently
September 3, 2025

Still happens in 29.8.0 - just did a screen capture opening a file – save as to desktop and then reopening the newly saved version. Fonts are changed and tracking displayed incorrectly.

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Participant
August 29, 2025

I created a mailer in Illustrator with around 10–12 artboards and exported everything perfectly with the correct fonts. When I reopened the same file after two days to make changes, all the fonts had changed automatically, some text had disappeared, and the layout no longer matched my earlier exported JPGs. The fonts were installed and displaying correctly at the time of the first export, so the issue only appeared after reopening the saved file. I’ve attached the before/after GIF to show the difference.

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Inspiring
August 29, 2025

Welcome to the nightmare that is using Adobe Illustrator now. This issue has plagued hundreds of designers worldwide for the past few months without any satisfactory resolution.

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kiml66753721
Participating Frequently
August 28, 2025

I am having the same issue in version 29.7.1

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Participating Frequently
August 28, 2025

Downgrade to 29.4 and your Illustrator life will be back to flowers and unicorns.  Any version beyond that is hosed until they fix the devastating random font substitution bug, which they have thus far been unable to fix for at least two months and counting.

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Inspiring
August 28, 2025

Don't worry, I suspect they have their artificial intelligence working really hard on it. 🙄

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Inspiring
August 20, 2025

Downgrade to version 29.4.

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kiml66753721
Participating Frequently
September 3, 2025

It's still happening in 29.4 for me

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Participant
August 20, 2025

I´ve had the same issue for a month now, and I´ve changed manually the fonts but it keeps changing enverytime i open my file. How can i solve this problem?

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Known Participant
August 20, 2025

Try going back to 29.4, it seems to be last bug free version before this mess started.

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Participating Frequently
August 19, 2025

Anubhav M  ==>  Users are still reporting the random font substitution bug in Illustrator on the Mac and on the PC, in versons 29.5.x, 29.6.x,  and 29.7.x,  from all over the world, with translations even required to read the posts from users in Spain and Japan for example.... and the Adobe team can not replicate the issue in San Jose after a couple of months worth of worldwide input?  I think that I can speak for the world when I say that's quite unfathomable.  How about this: fly three or four of us out to San Jose and put us up at the Westin for a few days, and we can bring the Illustrator random font substitution bug to you at Adobe headquarters with our multiple windows laptops and Macbook Pros.  You will then be able to replicate the issue in spades on your end, and just maybe find a solution. 

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Participant
August 20, 2025
Well said my friend!




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