The .odb file extension is most commonly associated with the OpenOffice database application. OpenOffice OpenDocument database files contain XML-based database information that can be used across multiple database software programs. This file standard was created as an alternative to traditional office database applications, such as Microsoft Access.
The .odb file extension is also used for ArcView object database ASCII files, ABAQUS files, Abaqus/CAE binary output files, Psion Organizer data files and LZ diary files.
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If you have additional information about the ODB file format or software that uses files with the ODB suffix, please do get in touch - we would love hearing from you.