If you are using this file for or checking if your own credentials have been leaked, follow these steps:
The most common format is email:password or username:password .
A "Combo List" is a text file containing lists of compromised or leaked usernames/emails and passwords. The "UHQ" tag is a marketing term used in the data-trading community to suggest the data is fresh, private, or has a high "hit" rate.
If the list is a "Mix," you may want to filter it by domain (e.g., extracting only @gmail.com addresses) to narrow down your research.
