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Critical: The process is Data Destructive and cannot be undone. ALL THE DATA ON THE DRIVE WILL BE LOST!

• Create a backup of all the data.
• Make sure to select the correct drive letter.

All memory cards are pre-formatted and do not need to be formatted out of the box.
They are formatted as FAT32 or exFAT file systems.

• Apple Article: Partition a physical disk in Disk Utility on Mac
• Apple Article: File system formats available in Disk Utility on Mac

macOS 15 Sequoia, 14 Sonoma, 13 Ventura, and 12 Monterey

1. Connect the card to the computer.


2. Open Disk Utility.
   
   Need more help?
   Answer ID 3823: How to Access macOS Disk Utility


3. Select the memory card under External drive.


4. Click Erase.
   
   

   



5. Type a new Name.
   (SanDisk, memory card, iXpand, etc...).


6. Click Format.


7. Select a new Format.
   ExFAT or MS DOS (FAT) macoOS FAT32.


8. Click Scheme.
   Select Master Boot Record.


9. Click Erase.
   
   

   



10. Click Done.
     

    

macOS 10.13 High Sierra

1. Connect the card to the computer.


2. Open Disk Utility.
   
   Need more help?
   Answer ID 3823: How to Access macOS Disk Utility


3. Select Show All Devices.
   
   

   



4. Select the memory card under External drive.
   Click Erase.
   
   

   



5. Type a new Name.
   (SanDisk, memory card, iXpand, etc...).


6. Click Format .


7. Select a new Format.
   ExFAT or MS DOS (FAT) macoOS FAT32.


8. Click Scheme.
   Select Master Boot Record.


9. Click Erase.
   
   

   



10. Click Done.
     

    



Need more help?
• Answer ID 47057: Steps to Resolve the Erase Process has Failed Message on macOS for USB Flash Drives and Memory Cards
• Answer ID 51852: Steps to Resolve macOS Error Code 8 File System Repair Failed