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.

If your Android phone is running out of storage space, many phones will allow you to insert an SD card, which you can set as the phone's primary storage.

Restoring files accidentally deleted from an SD card is a quick, easy and free process with the right file recovery software. Here's why it happens and how to fix it fast.