I just bought a Sandisk 128 GB Extreme PRO card, but my Rebel Xsi will not format it in the camera. Can I format it in a Win 8.1 machine, and then use it in the camera?
Thanks Robert. Would you know what would be right card size. I bought a 128GB, because I wanted to shoot RAW. I could not find any info on card size in my camera manual. CMB
