: If you suspect a password has been leaked, change it immediately on all sites where it was used.

This file name is strongly associated with and data breaches . Files like "146k Mix UHQ Email-PW Base.zip" typically contain large collections of stolen usernames (emails) and passwords formatted for use in automated hacking tools.

: Use a reputable service like Have I Been Pwned to see if your email address has appeared in known data breaches.