I keep getting an error recently - "It may be damaged or use a file format that Preview doesn’t recognise.".
The file is not damaged and it is in a format that Preview can open. It will open the same file at another time!
MacBook Pro 13″, macOS 11.6
Thanks but it's been rebooted many times and that has not solved the problem.
Reboot your Mac. I have had no issues with Preview on Big Sur, Monterey, or Ventura opening a wide assortment of .jpg or PDFs.
Did you ever find a solution for this? It just started happening for me and it's ridiculous that hundreds of jpg files suddenly won't open.
Preview won't open files such as jpeg and pdf
