masterfolder

noun
UK /ˈmɑːstəˌfəʊldə/
US /ˈmæstərˌfoʊldər/

A masterfolder is the main folder that holds all the other folders inside it.

Open the masterfolder to see all your school projects in one place.


OTHER MEANINGS

2. The top-level directory in a computer system from which all other directories branch out.

The backup copied the entire masterfolder, including every subfolder.

3. A central collection where an organization keeps its most important shared documents.

All signed contracts are stored in the company's masterfolder.

4. A template folder used as a starting point for creating new project folders.

Copy the masterfolder each time you begin a new client project.