The SanDisk Extreme 64GB MicroSD card delivers some of the fastest real-world transfer speeds, and it's our top pick to expand your phone or tablet's storage.

A Steam Deck comes with 64, 256, or 512GB of onboard storage that you can expand with a microSD card. Here’s how to install and format the best cards.

The easiest way to format the microSD card is to simply use your brand new BlackBerry 10 smartphone. Once you insert it, go to Settings and then Storage and Access. From there, go down to Media Card ...