If your disc was originally formatted to NTFS on a PC (or HFS+ on a Mac), you are more likely to encounter restrictions, such as that the data on your drive can not be read or written on either of your computers. If you have a USB or flash drive, and you’re trying to use it on both a Mac and a Windows PC, you’ll probably face some issues. Formatting Flash Drive for Mac and PC Compatibility (exFAT) Flash Drive for Mac & PC Compatibility
