Usb sticks after mac use no longer readable?

tw
3

I hope someone can help me. Yesterday I put two usb sticks in an apple computer and opened documents, then removed according to regulations. Since that time, the sticks on my laptop (win10) are no longer recognized but it is not displayed, reports to the one, nothing wrong in the other format or defective… Knows who the problem or can someone help me…

na

Try formatting (Win 10: right-click → format / Mac → Hard Disk Utility → USB Stick → Delete → Format → FAT

tw

Unfortunately, but then my data are gone… Only suboptimal solution but thanks anyway…

na

Can you still use it on the Mac? If so, then just save the files there and then reformat the sticks and drag the data back on top.