To export a database as a library, open the database you wish to export. In the menu bar of openLCA go to "Tools" -> "Library export".

Menu bar in openLCA 2.0 to carry out a library export

A window will appear in which you can choose the name of your library as well as the allocation method. You can also choose to have the library include regionalization and uncertainty distributions. Note, that including regionalization and uncertainty distributions may result in your memory usage becoming very large. Once all settings have been selected as desired, click "OK" to create the library.

A dialog box which appears in openLCA 2.0 when exporting a database as a library

At the bottom of the Navigation bar, a Library folder icon will appear, which is where you will find all libraries you have created saved.

Examples of libraries in openLCA 2.0 that were created from existing databases

If you wish to delete a library, you can do so by right-clicking on the library you wish to remove and select "Remove library". Make sure the library is not being used in any of your databases, since openLCA with check if the library is being used and not let you delete the library if it is in use.

Right-click menu data appears when clicking on a library in openLCA 2.0