Info from Sony -
Notice for SDXC / microSDXC memory card and exFAT format used with Sony Photo Frames.
Please be informed that Sony Digital Photo Frame does not support SDXC memory cards (*1), and exFAT format.
When exFAT formatted memory card (*2) is inserted in the memory card slot an applicable model, your data in the memory card will be damaged. Please be sure not to use exFAT formatted memory cards.
Likewise, if a USB flash drive or device formatted with exFAT is connected with an applicable model with a Type A USB port, the data in the USB flash drive or device will be damaged.(*3)
(*1) SDXC memory cards are preset to exFAT format at the point of purchase.
(*2) Besides SDXC memory card, Sony Digital Photo Frame does not support other memory cards and other recording media that are formatted with exFAT.
(*3) When you connect a digital camera inserted with an SDXC memory card (memory card formatted with exFAT) to the USB port of the digital photo frame, the memory card data in the camera will be damaged..
Message was edited by: Thalamus.