QBO Views 8 meanings found QBO most often refers to QuickBooks Online, the cloud‑based accounting software, while in atmospheric science it denotes the Quasi‑Biennial Oscillation wind pattern. Miscellaneous QuickBooks Online QuickBooks OnlineQuickBooks Online Governmental Quick Battle Orders Academic & Science Quasi-Biennial Oscillation Computing dBASE IV Compiled Query Object code Query by Outlines Business Quantifiable Business Objectives Quarterly Business Objectives