By default, all software supports multiple file extensions. Apache Lucene supports at least 4 different file extensions. The basic files that Apache Lucene supports are .TVD. However, not all of the extensions listed on the list are always used to save the effects of work in Apache Lucene. Very often, files with such extensions are used as source data files used by Apache Lucene.
Apache Lucene can be used to convert file formats between the file extensions listed below. You can open a file with one of the file extensions below via Apache Lucene and try to save it in another file format, also supported by Apache Lucene.