Thanks for the reply -  96GB ram, M2 chip in MacBook Pro running 14.6.1. I had to give up on that file and recreated it from scratch. I must have hit some toggle somewhere by accident that blanked out the placed files and made line work not preview properly.    I have continued playing with it and I think there is a bug in illustrator 28.6 - when i try to use the pen tool, it will draw a line with zero point width, but trying to change to a point size line width (1pt, for instance) it switches to preview mode and gives me the “Can’t finish previewing” message I  copied below. Illustrator has been running fine up until this latest version update.      ... View more

Having same problem now but Command+Y not working- Illustrator says "Can't finishing previewing-could not complete the requested operation" ... View more

I have this same problem - I try to import libraries, I navigate to all the library files within Illustrator 2024, but they are all grayed out- none are importable.  ... View more

I watched the Nov 15 seminar "Collaborate Securely with Adobe Acrobat and Microsoft Teams" delivered by Tulika Gupta. In it, she seems to say that if one person in a Teams chat has an Acrobat Pro license, everyone in the same Teams chat can read and add comments to a PDF. However, I have not been able to replicate that with my Adobe CC license and Teams. It was described as "effortless" and "secure". Disappointed it didn't work as promoted, Do you have any resources or tutorials that we can use to get collaborative commenting on pdf to work on MS Teams?   ... View more