I have been dealing with Apple with this exact issue for the past 3 weeks. Please let me know what I can do about these PDFs, Mac Mail, and oh, there are some issues on two of my Macs with Photoshop CC 2019.

Can you tell I am frustrated? I am running a business and thank heavens I have 3 Macs to work on after Big Sur. I can no longer search for emails AND my mailboxes will be empty (but not all the time), will be slow at downloading on one machine but not another. I also am having problems on ALL 3 of my Macs (this iMac, a new MacPro 4, and a Macbook Pro) with mail. The magically, PDFs opened the following day, but not today. I tried it a few days ago.when the same issue happened, and it did not work. I also do not have the time to restart my system in safe mode. I was able to open my PDF using Preview, but this is not optimal.

It worked yesterday!!! And today, it's not working.īig Sur has so many bugs. When I right click, the default app is Adobe Acrobat which should work. I have the same problem (amongst others with Big Sur).

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