Professional organizers explain how to get rid of digital clutter like unused apps, old documents, and duplicate photos.

Approximately 2.6% of the population battles with hoarding disorder, a psychiatric condition defined by persistent difficulty discarding or parting with possessions, regardless of their actual value.

Lindsey Ellefson is Lifehacker’s Features Editor. She currently covers study and productivity hacks, as well as household and digital decluttering, and oversees the freelancers on the sex and ...