How to Format an SD Card on Mac Using Disk Utility The best method is to use the Disk Utility app, but third-party alternatives like SD Card Formatter are available.

Once you’ve determined the file system you’ll need, you can then begin to format your SD card. Any cards bigger than 32GB in size require the exFAT file system. For SD cards smaller than 32GB, use the FAT32 file system. Next, you need to know the right file system to use. If your Mac doesn’t have an integrated card reader, you’ll need to purchase one. Luckily, SD card readers aren’t expensive. Before You Format SD Cards on Macīefore you can format an SD card on macOS, you’ll need to make sure you have a card reader.

If you’re unsure how to format an SD card on Mac and you want to do it safely, follow these steps. There are risks involved, however, and you could lose your data or corrupt your SD card without taking precautions. It also allows you to change the file system on an SD card (new or old), allowing other devices the ability to read and write to them-including Macs. Formatting an SD card wipes the slate clean by removing any trace of older files.

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