| English | Chinese Taiwan |
| Do Not Disturb | 請勿打擾 (An item on the user's My Status menu that the user can select to notify other users that he or she does not want to be interrupted) |
| logical NOT | 邏輯 NOT (A Boolean operator that performs logical negation, effectively reversing the input, if and when its input is false) |
| not a number | 不是數字 (A value that represents the result of an invalid calculation) |
| not applicable | 不適用 (Pertaining to something for which an answer is not available or appropriate) |
| not available | 無法連絡 (A status pertaining to a call or IM recipient, who is signed out of Communicator or who has selected the Do Not Disturb status) |
| not DPI-aware | 非 DPI 感知 (Pertaining to an application that always renders at 96 DPI) |
| not valid | 無效 (Erroneous or unrecognizable because of a flaw in reasoning or an error in input. Invalid results, for example, might occur if the logic in a program is faulty) |
