The Extension Manager provides an easy way to install collections of templates, graphics, macros, or other add-ins that have been “packaged” into files with a .OXT extension. See Appendix B (Customizing Writer) for more about the Extension Manager.

This Web page lists many of the available extensions: https://extensions.services.openoffice.org/.

To install an extension, follow these steps:

1. Download an extension package and save it anywhere on your computer.
2. In OOo, select Tools > Extension Manager from the menu bar. In the Extension Manager dialog box, click Add.
3. A file browser window opens. Find and select the package of templates you want to install and click Open.The package begins installing. You may be asked to accept a license agreement.
4. When the package installation is complete, the templates are available for use through File > New > Templates and Documents and the extension is listed in the Extension Manager.

Newly-added package of templates.