Why does columns and cells not copy correctly in illustrator on Mac but it does on PC?

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When I copy a part of an excel sheet (image1) to Adobe illustrator, the cells and columns show up fine on a PC (image2). When I do the same on a mac the cells and columns don't show up only the wording (image3). What can I do to get the columns and cells to show up on a mac when I copy it in Adobe illustrator?

[Monika Gause]

Export the file from Excel as a PDF and then open that PDF in Illustrator.