National Dapper Your Data Day is observed on July 18 and encourages individuals to refresh and organize their digital lives. Founded by Dapper Data, LLC, the day promotes tidying up online spaces by cleaning out unnecessary photos, files, and apps, as well as updating passwords and checking app permissions. Participants are urged to implement strong security measures, such as enabling two-step logins and keeping software up-to-date to protect their privacy. The day serves as a reminder to treat personal data with care, similar to cherished memories, and emphasizes the importance of maintaining organized and secure digital environments. It aims to make data management tasks feel more enjoyable and accessible to everyone, not just tech experts.