Sentence examples for new folder from inspiring English sources

"new folder" is correct and commonly used in written English.
It is typically used when talking about organizing electronic documents or files on a computer. For example: "I created a new folder for all of my class notes." "Please save the file in the new folder labeled 'Project 1'." "I'll send you the link to the document, but you'll need to download it and save it in your new folder."