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Copy PDFs and images in Preview on Mac
You can create a copy of a PDF or image if you want to duplicate it or convert it to another format.
Go to the Preview app
on your Mac.Do any of the following:
Make a duplicate copy: Choose File > Duplicate. To save the copy, choose File > Save, enter a name, select a file format, then choose where you want to save it.
Create a copy of the file in a different format: Choose File > Export.