| Subject | English | Chinese Taiwan |
| comp., MS | main app | 主應用程式 (The wider of the two apps that can appear on the screen simultaneously after a second app is snapped to the screen) |
| comp., MS | main document | 主文件 (In a mail-merge operation, the document that contains the text and graphics that are the same for each version of the merged document, for example, the return address or salutation in a form letter) |
| comp., MS | main form | 主表單 (A form that contains one or more subforms) |
| comp., MS | main memory | 主記憶體 (The amount of memory physically installed on your device (as opposed to on a storage card)) |
| comp., MS | main operator extension | 主要操作員分機 (The extension at which Attendant console users who are answering calls for the corporate main phone number can be reached internally) |
| comp., MS | main window | 主視窗 (The window that contains the Contacts list) |
