PDF Opening Issues

Fix Adobe Acrobat DC Not Running After macOS Catalina Upgrade

Chanuka GeekiyanageChanuka Geekiyanage Nov 3, 2026 869 views

Question details

The user is unable to launch or use Adobe Acrobat DC on their MacBook Pro after upgrading the operating system to macOS Catalina.

How to Fix Adobe Acrobat DC Not Running on macOS Catalina
Product
Adobe Acrobat DC
Device & OS
macOS Catalina
Scenario
Attempting to open a PDF application after performing a major macOS system upgrade.
Observed behavior
Adobe Acrobat DC fails to open, run, or respond, primarily due to architectural changes and the removal of 32-bit app support in macOS Catalina.
Before you start

Verify whether your currently installed version of Adobe Acrobat is 32-bit or 64-bit, as macOS Catalina strictly prohibits 32-bit applications from running.

Solution 1Recommended

Update to a Catalina-Compatible Version of Acrobat DC

Installing the latest 64-bit update directly from Adobe ensures your Acrobat software meets macOS Catalina's system architecture requirements.

macOS Catalina (version 10.15) entirely dropped support for 32-bit applications. If you were using an older, 32-bit release of Adobe Acrobat DC or Acrobat Reader, it will fundamentally fail to launch on this operating system. Upgrading to the latest 64-bit release is required.

1
Open Adobe Creative Cloud

Launch the Adobe Creative Cloud desktop application from your Mac's Applications folder or the top menu bar.

2
Check for Updates

Navigate to the 'Updates' tab on the left sidebar to see a list of applications that have pending new versions.

3
Install the Acrobat Update

Locate Adobe Acrobat DC in the list and click the 'Update' button next to it. Wait for the 64-bit version to download and install completely.

4
Restart and Test

Restart your MacBook Pro and attempt to open Adobe Acrobat DC to verify that it now launches properly.

Update to a Catalina-Compatible Version of Acrobat DC
Free PDF Viewer & Editor Alternative

Use WPS Office to Read and Edit PDFs on Mac

If Adobe Acrobat DC remains incompatible or requires an expensive subscription upgrade, WPS Office provides a powerful, native macOS alternative. It includes a robust PDF editor that works flawlessly on macOS Catalina and newer versions.

  1. 1. Download the Mac Application: Visit the official WPS Office website or the Mac App Store to download the latest macOS-compatible version.
  2. 2. Set WPS as the Default PDF App: Right-click any PDF file on your Mac, select 'Get Info', expand the 'Open with' section, choose 'WPS Office', and click 'Change All'.
  3. 3. Open and Edit PDFs: Double-click your PDF file to open it in WPS Office, where you can instantly use the toolbar to highlight text, add comments, or edit document contents.
Native macOS compatibility for flawless PDF reading, editing, and annotation.Fully compatible with Microsoft Word, Excel, PowerPoint, and standard Adobe PDF formats.Lightweight architecture ensures fast launch times without draining Mac system resources.Free built-in tools for merging, compressing, and converting PDF documents.
microsoft office alternative - wps office

Frequently Asked Questions

Why did macOS Catalina suddenly stop supporting my Adobe Acrobat?

Apple engineered macOS Catalina to be a strictly 64-bit operating system, entirely removing the architecture required to run legacy 32-bit applications. If your specific version of Adobe Acrobat was 32-bit, the OS physically cannot execute its code anymore.

How can I check if my Mac applications are 32-bit or 64-bit?

Click the Apple logo in the top-left corner, hold the 'Option' key, and select 'System Information'. In the left sidebar under 'Software', click 'Applications'. Look for your app in the list; the column labeled '64-Bit (Intel)' will say 'No' if it is a 32-bit app.

Will older standalone versions of Acrobat (like Acrobat XI or 2015) ever work on Catalina?

No. Adobe has officially ended support for Acrobat XI and Acrobat 2015. They will not receive 64-bit patches. To use Acrobat on Catalina, you must purchase or subscribe to a newer, supported release like Acrobat DC.