LibreOffice is the default open source full office suite for Lubuntu. In the menu there are shortcuts to different LibreOffice applications and your recently used files.
To open a recently used file in LibreOffice they are shown in the main part of the window. To open a program or to create a file from a file dialog are along the left hand column.
LibreOffice all of the different components have a window menu that lets you switch between a document in LibreOffice writer and LibreOffice calc. To do this go to :menuselection:`Window` and select the window that you want to switch to.
LibreOffice if you shutdown without saving your work LibreOffice will automatically recover the document. If you do not want to recover a document press the :guilabel:`Discard` button. If you want to automatically recover the document press the :guilabel:`Start` button. If recovery keeps on failing and won't launch run
If you are about to close a document without saving it in LibreOffice a dialog will popup asking :guilabel:`Save changes to document before closing?`. If you do not want to save what you were working on press the :guilabel:`Don't Save` button. To not quit LibreOffice press the :guilabel:`Cancel` button. To Save the document to not lose your work press the :guilabel:`Save` button.
