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# Apache POI - Javadocs

## Apache POI Javadocs

The Javadocs for the latest (development) version of Apache POI can be accessed online here, or build from a source code checkout by running the javadocs Ant task. The latest (development) Javadocs are generally updated every few weeks, so may lag the most recent development slightly.

For recent releases, the Javadocs for the latest stable release each the family can also be browsed online:

- Apache POI 4.1.x Javadocs
- Apache POI 4.0.x Javadocs
- Apache POI 3.17 Javadocs

### Older Releases

For every release of Apache POI, the specific Javadocs for that version are available with the release.

Maven / Gradle / IDE users are able to fetch the javadocs for each of the Apache POI jars from Maven Central (or your preferred Maven mirror). These are made available with the javadoc classifier, e.g. group: 'org.apache.poi', name: 'poi', version: '4.1.1', classifier: 'javadoc'

If you have downloaded the binary (bin) release, then you can find the Javadocs within the download in the /docs/apidocs/ folder.

If you have downloaded the source (src) release, then you need to build your own copy. Run the javadocs ant task to have the Javadocs built, the build will tell you the output directory at the end (it varies slightly between POI versions).

by POI Developers