Have new iMac with Sierra. Have posted before wondering whether cs5 worked in Sierra. It does but have one problem. When working on Illustrator document, after placing jpg, when hitting PLACE again the window opens to same old file I went to a month ago instead of the same file. Same problem when I try to open another document after opening a previous one in Illustrator. Goes to the same old file. Not a problem in Photoshop or InDesign. Never had this problem before with Illustrator cs5 on other computers with other operating systems.