There are online training courses on partner portal.
Workflow Rules Part 1 – Overview and Criteria
This is a must watch series if you want to understand how roles, profiles, and sharing rules work together to provide access to all the various objects and records in your Salesforce organization.
Salesforce Developers Trailhead Admin Beginner
Sales Cloud Administration
Up your Data Game with these Admin Track Sessions
Data Import How To’s
JVS – Work transforms lives