noun
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.
文書を新規保管するには、メニューから「ファイル」→「新規保管」を選んでください。
To save the document as a new file, please select 'File' → 'Save As' from the menu.
この機能は新規保管と同じ動作をします。
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'.