Preview won't open .ps anymore... The Fix!

hhkfromlambsheim wrote:

...after looking for a solution I came to the following post: And I can report that it worked for me. Anyone else having had this issue?

macOS Mojave 10.14.6 MacBookPro 15'' 2018

Quote:

In the Finder, press Command-Shift-G, then paste the following line and press enter:

~/Library/Containers

Locate all the folders in there that start with com.apple.Preview

and drag them out of the folder. You may park them temporarily in your desktop, for example.

Then logout and login, and try again.

interesting.

Optimize Photoshop performance - Adobe Support