I just noticed today that in every folder where I have PDFs, there are also a random number of files that begin with the word "magick-" which is followed by a string of around 17 numbers, letters and symbols.

I've opened these files with Sublime Text. They all seem to have an XML structure, and all start with "%PDF-" followed by a version number, such as "%PDF-1.5"

What are these files, and are they necessary?

  • These are PDF files. – joojaa Oct 1 '18 at 13:11
  • OK, by adding the .pdf file extension I can see that they are indeed PDFs. But, why are they being created? I'm going to correct my initial statement that they appear in "every folder where I have PDFs." This is not the case - a disk-wide search shows that they're sprinkled across dozens and dozens of directories that have nothing to do with Acrobat, Adobe or PDFs whatsoever. – Keith S. Oct 1 '18 at 13:26
  • Temp files of some kind – joojaa Oct 1 '18 at 13:27
  • Alright, well I guess I shouldn't worry about them. I'll just move them for now and see if anything happens... – Keith S. Oct 1 '18 at 13:29
  • Acrobat does not do that. You may have another utility (previewer? converter?) that does so. – usr2564301 Oct 2 '18 at 20:44

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