org: Extending ODT export
12.9.3 Extending ODT export
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The ODT exporter can interface with a variety of document converters and
supports popular converters out of the box. As a result, you can use it
to export to formats like ‘doc’ or convert a document from one format
(say ‘csv’) to another format (say ‘ods’ or ‘xls’).
If you have a working installation of LibreOffice, a document
converter is pre-configured for you and you can use it right away. If
you would like to use ‘unoconv’ as your preferred converter, customize
the variable ‘org-odt-convert-process’ to point to ‘unoconv’. You can
also use your own favorite converter or tweak the default settings of
the ‘LibreOffice’ and ‘unoconv’ converters. 
Configuring a
document converter.
12.9.3.1 Automatically exporting to other formats
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Very often, you will find yourself exporting to ODT format, only to
immediately save the exported document to other formats like ‘doc’,
‘docx’, ‘rtf’, ‘pdf’ etc. In such cases, you can specify your preferred
output format by customizing the variable
‘org-odt-preferred-output-format’. This way, the export commands (
Exporting to ODT x-export-to-odt.) can be extended to export to a
format that is of immediate interest to you.
12.9.3.2 Converting between document formats
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There are many document converters in the wild which support conversion
to and from various file formats, including, but not limited to the ODT
format. LibreOffice converter, mentioned above, is one such converter.
Once a converter is configured, you can interact with it using the
following command.
‘M-x org-odt-convert RET’
Convert an existing document from one format to another. With a
prefix argument, also open the newly produced file.
Info Catalog
org: ODT export commands
org: OpenDocument Text export
org: Applying custom styles