save as; save a new copy
Used in software interfaces for saving a file under a new name or location, distinct from overwriting the original.
To save the document as a new file, please select Save As from the menu.
This function works the same as 'Save As'.
Compound of 新規 (new, fresh) and 保管 (storage, safekeeping). The term is a computing neologism, likely a direct translation of the English 'save as'.