The term ODT or O.D.T. can refer to several things, among them:
Computing
.ODT, the word processing file format of OpenDocument, an open standard for electronic documents On-line Debugging Tool, a debugger used by certain software from Digital Equipment Corporation Oracle Corporation's Oracle Developer Tools Microsoft Office's Office Deployment Tool, a command-line tool used to deploy the click-to-run versions of Office
Media/Entertainment Otago Daily Times, New Zealand's second oldest daily newspaper O.D.T. (video game) (Or Die Trying), a 1998 video game created by Psygnosis for the PlayStation and PC
Other uses Order-disorder transition Orally disintegrating tablet (or orally dissolving tablet), a pill that "melts" on contact with saliva Omnidirectional treadmill, a treadmill which can convey objects in two dimensions On-die termination, a technique to reduce bounce back of electrical signals on high speed electrical connections Dvorak technique, also known as Objective Dvorak Technique, a technique used to estimate the strength of a tropical cyclone Odessa-Schlemeyer Field, which has the IATA code ODT Olympic Discovery Trail, a multi-use trail spanning the north end of the Olympic Peninsula in Washington