"Previous experience" refers to the knowledge, skills, and understanding gained from past situations or events that can be applied to current or future situations. It includes the things we have learned or encountered before. Full definition
The resume below as written for a Certified Nurse Assistant with previous experience in Sales. (resume-resource.com)
Instruction should take into account the wide range of different backgrounds of learners; learning materials and activities should allow for different levels / types of previous experience with computers. (elearningindustry.com)
Someone joining the business with previous experience of the industry will have very different requirements from someone without, for instance. (elearningindustry.com)