Sometimes a microSD/SD card may require formatting before it can be used with a Garmin device.
NOTE: These instructions are only for formatting a microSD/SD card. It is not recommended to format any Garmin mass storage device unless otherwise directed by Garmin Product Support or these FAQs. It is important to avoid formatting the Garmin device as this may leave it in an unusable state.
To format a microSD/SD card:
Format the microSD/SD card to a FAT or FAT32 format. A 2 GB or less card can be formatted in FAT or FAT32. Cards larger than 2 GB should be formatted in FAT32. Cards larger than 32 GB should be formatted exFAT2.
These steps will format the microSD/SD card to be readable by the Garmin device.
1The majority of microSD/SD cards are identified by a PC as Removable Disk and Untitled or No Name by a Mac.
2It is standard practice for SD card manufacturers to format 64 GB MicroSD cards to exFAT. exFAT is supported by the following operating systems:
3For devices that connect to the computer in MTP mode, a separate memory card reader must be used. MTP devices can be identified by the orange computer connection icon on the screen of the device while it is plugged into a computer.