Choose Format - Align - Centered (LibreOfficeDev Writer, LibreOfficeDev Calc).
Choose Shape - Align - Centered (objects selected) (LibreOfficeDev Draw).
Open context menu - choose Align - Centered (objects selected) (LibreOfficeDev Impress, LibreOfficeDev Draw).
En la barra Alinear (LibreOfficeDev Impress, LibreOfficeDev Draw), pulse en