How to prepare for your digital legacy after death

From family photos in the cloud to email archives and social media accounts, the digital lives of Americans are extensive and growing.

According to recent studies by the password management companies NordPass and Dashlane, the average internet user maintains more than 150 online accounts. Individuals produce hundreds of gigabytes of data each year. But few people have plans for what happens to that digital legacy after they die.

Unlike physical possessions, online assets often...