Avoid using apps that are specified as Obtained from Unknown, while these are most likely to misbehave.

According to early user reports, the beta feels faster and more stable than the previous ones.

By switching to 64-bit apps, macOS Catalina stops supporting the apps with 32-bit architecture.

For you, this means no access to over 200 popular applications.

Excel Stopped Working Full List In

Once you upgrade, you can find the full list in LibraryAppleLibraryBundles.

Excel Stopped Working Download Setapp And

Download Setapp and youll have them replaced with the better ones.

For people working with multimedia projects, its important to know which Adobe software wont be working after the update.

Apple released the newer bundle with 64-bit apps in 2013 so an update will fix the problem here.

Alternatively, you can get more advanced substitutes like Ulysses for writing and markdown.

Apples DVD Player (older versions released before macOS Mojave).

Aperture. The app wont work in Catalina, even though its 64-bit.

If you need a pro-level editor for a moderate price, you might want to try CameraBag Pro.

To continue using the apps, get the 2016 version of Microsoft Office.

Or, you can switch to Apples iWork, Ulysses, or other Mac alternatives.

For instance, if you buy a subscription, you may get a 64-bit application with a 32-bit installer.

Adobe says they are working on updating shared components for macOS 10.15.

In the meantime, be aware of the incompatible apps.

Premiere Pro. The app is 64-bit, but there have been reported issues related to camera and microphone access in macOS 10.15.

Illustrator. The CS5 version wont be supported in Catalina, but you may switch to CS6.

InDesign. To this one, you have to say goodbye.

At least, for now.

The latest CS6 version hasnt been updated to 64-bit architecture yet.

Acrobat Pro. The recent version of the app, as well as Acrobat DC and Acrobat Reader DC, have 32-bit components.

So if you continue using the apps in Catalina, be careful with the darkness.

They work equally well for professional designers and amateurs.

Both are available on Setapp, a subscription package that, by the way, offers many more photo editing tools just ask for it.

Find your app on the list and check whether it says Yes in the 64-bit column.

So, youll have to click on the app and see a short description that says Kind: 64-bit.

Ideally, it should say Apple, Mac App Store, or Identified Developer.