The Computer interface opens, listing the SD card as a removable drive. Right-click on the SD card entry in the Computer interface and choose "Format" in the context menu.

Why does my SD card automatically delete files? The SD card may delete files due to file system corruption, malware, bad sectors, improper ejection, or compatibility issues.

Photo: Mitchell Clark Many photographers rarely consider memory card care. We tend to use and abuse our cards, with little thought about how to keep them working at their best. And while memory cards ...

SD cards are enormously useful devices that hold more data every year. Reformatting an SD or microSD card can make sure all the data that was on it is gone.