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Use Disk Utility app to format the drive
- Ensure your the Flash Drive is connected to your computer.
- Use spotlight (the magnifying glass in the upper right-hand corner) to search for Disk Utility and open it.
- The drive will be listed on the sidebar under External, select it and click Erase.
- You may set the new name of your Flash Drive partition, select ExFATand click Erase.
- When the process is complete click Done. You may now use your Flash Drive.
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